257038704

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1237}}^1$

素因数の和:1304

約数の個数: 160

約数和(自身を含む): 816683840

約数和(自身を除く): 559645136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 37, 39, 48, 52, 54, 72, 74, 78, 104, 108, 111, 117, 144, 148, 156, 208, 216, 222, 234, 296, 312, 333, 351, 432, 444, 468, 481, 592, 624, 666, 702, 888, 936, 962, 999, 1237, 1332, 1404, 1443, 1776, 1872, 1924, 1998, 2474, 2664, 2808, 2886, 3711, 3848, 3996, 4329, 4948, 5328, 5616, 5772, 7422, 7696, 7992, 8658, 9896, 11133, 11544, 12987, 14844, 15984, 16081, 17316, 19792, 22266, 23088, 25974, 29688, 32162, 33399, 34632, 44532, 45769, 48243, 51948, 59376, 64324, 66798, 69264, 89064, 91538, 96486, 103896, 128648, 133596, 137307, 144729, 178128, 183076, 192972, 207792, 257296, 267192, 274614, 289458, 366152, 385944, 411921, 434187, 534384, 549228, 578916, 594997, 732304, 771888, 823842, 868374, 1098456, 1157832, 1189994, 1235763, 1647684, 1736748, 1784991, 2196912, 2315664, 2379988, 2471526, 3295368, 3473496, 3569982, 4759976, 4943052, 5354973, 6590736, 6946992, 7139964, 9519952, 9886104, 10709946, 14279928, 16064919, 19772208, 21419892, 28559856, 32129838, 42839784, 64259676, 85679568, 128519352, 257038704]

約数ペア:

[(1, 257038704), (2, 128519352), (3, 85679568), (4, 64259676), (6, 42839784), (8, 32129838), (9, 28559856), (12, 21419892), (13, 19772208), (16, 16064919), (18, 14279928), (24, 10709946), (26, 9886104), (27, 9519952), (36, 7139964), (37, 6946992), (39, 6590736), (48, 5354973), (52, 4943052), (54, 4759976), (72, 3569982), (74, 3473496), (78, 3295368), (104, 2471526), (108, 2379988), (111, 2315664), (117, 2196912), (144, 1784991), (148, 1736748), (156, 1647684), (208, 1235763), (216, 1189994), (222, 1157832), (234, 1098456), (296, 868374), (312, 823842), (333, 771888), (351, 732304), (432, 594997), (444, 578916), (468, 549228), (481, 534384), (592, 434187), (624, 411921), (666, 385944), (702, 366152), (888, 289458), (936, 274614), (962, 267192), (999, 257296), (1237, 207792), (1332, 192972), (1404, 183076), (1443, 178128), (1776, 144729), (1872, 137307), (1924, 133596), (1998, 128648), (2474, 103896), (2664, 96486), (2808, 91538), (2886, 89064), (3711, 69264), (3848, 66798), (3996, 64324), (4329, 59376), (4948, 51948), (5328, 48243), (5616, 45769), (5772, 44532), (7422, 34632), (7696, 33399), (7992, 32162), (8658, 29688), (9896, 25974), (11133, 23088), (11544, 22266), (12987, 19792), (14844, 17316), (15984, 16081)]