428783784

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1237}}^1$

素因数の和:1371

約数の個数: 128

約数和(自身を含む): 1272862080

約数和(自身を除く): 844078296

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 101, 104, 132, 143, 156, 202, 264, 286, 303, 312, 404, 429, 572, 606, 808, 858, 1111, 1144, 1212, 1237, 1313, 1716, 2222, 2424, 2474, 2626, 3333, 3432, 3711, 3939, 4444, 4948, 5252, 6666, 7422, 7878, 8888, 9896, 10504, 13332, 13607, 14443, 14844, 15756, 16081, 26664, 27214, 28886, 29688, 31512, 32162, 40821, 43329, 48243, 54428, 57772, 64324, 81642, 86658, 96486, 108856, 115544, 124937, 128648, 163284, 173316, 176891, 192972, 249874, 326568, 346632, 353782, 374811, 385944, 499748, 530673, 707564, 749622, 999496, 1061346, 1374307, 1415128, 1499244, 1624181, 2122692, 2748614, 2998488, 3248362, 4122921, 4245384, 4872543, 5497228, 6496724, 8245842, 9745086, 10994456, 12993448, 16491684, 17865991, 19490172, 32983368, 35731982, 38980344, 53597973, 71463964, 107195946, 142927928, 214391892, 428783784]

約数ペア:

[(1, 428783784), (2, 214391892), (3, 142927928), (4, 107195946), (6, 71463964), (8, 53597973), (11, 38980344), (12, 35731982), (13, 32983368), (22, 19490172), (24, 17865991), (26, 16491684), (33, 12993448), (39, 10994456), (44, 9745086), (52, 8245842), (66, 6496724), (78, 5497228), (88, 4872543), (101, 4245384), (104, 4122921), (132, 3248362), (143, 2998488), (156, 2748614), (202, 2122692), (264, 1624181), (286, 1499244), (303, 1415128), (312, 1374307), (404, 1061346), (429, 999496), (572, 749622), (606, 707564), (808, 530673), (858, 499748), (1111, 385944), (1144, 374811), (1212, 353782), (1237, 346632), (1313, 326568), (1716, 249874), (2222, 192972), (2424, 176891), (2474, 173316), (2626, 163284), (3333, 128648), (3432, 124937), (3711, 115544), (3939, 108856), (4444, 96486), (4948, 86658), (5252, 81642), (6666, 64324), (7422, 57772), (7878, 54428), (8888, 48243), (9896, 43329), (10504, 40821), (13332, 32162), (13607, 31512), (14443, 29688), (14844, 28886), (15756, 27214), (16081, 26664)]