1213191396

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 3288055680

約数和(自身を除く): 2074864284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 89, 92, 101, 138, 163, 178, 202, 207, 267, 276, 303, 326, 356, 404, 414, 489, 534, 606, 652, 801, 828, 909, 978, 1068, 1212, 1467, 1602, 1818, 1956, 2047, 2323, 2934, 3204, 3636, 3749, 4094, 4646, 5868, 6141, 6969, 7498, 8188, 8989, 9292, 11247, 12282, 13938, 14507, 14996, 16463, 17978, 18423, 20907, 22494, 24564, 26967, 27876, 29014, 32926, 33741, 35956, 36846, 41814, 43521, 44988, 49389, 53934, 58028, 65852, 67482, 73692, 80901, 83628, 87042, 98778, 107868, 130563, 134964, 148167, 161802, 174084, 197556, 206747, 261126, 296334, 323604, 333661, 378649, 413494, 522252, 592668, 620241, 667322, 757298, 826988, 1000983, 1135947, 1240482, 1334644, 1465207, 1514596, 1860723, 2001966, 2271894, 2480964, 2930414, 3002949, 3407841, 3721446, 4003932, 4395621, 4543788, 5860828, 6005898, 6815682, 7442892, 8791242, 12011796, 13186863, 13631364, 17582484, 26373726, 33699761, 52747452, 67399522, 101099283, 134799044, 202198566, 303297849, 404397132, 606595698, 1213191396]

約数ペア:

[(1, 1213191396), (2, 606595698), (3, 404397132), (4, 303297849), (6, 202198566), (9, 134799044), (12, 101099283), (18, 67399522), (23, 52747452), (36, 33699761), (46, 26373726), (69, 17582484), (89, 13631364), (92, 13186863), (101, 12011796), (138, 8791242), (163, 7442892), (178, 6815682), (202, 6005898), (207, 5860828), (267, 4543788), (276, 4395621), (303, 4003932), (326, 3721446), (356, 3407841), (404, 3002949), (414, 2930414), (489, 2480964), (534, 2271894), (606, 2001966), (652, 1860723), (801, 1514596), (828, 1465207), (909, 1334644), (978, 1240482), (1068, 1135947), (1212, 1000983), (1467, 826988), (1602, 757298), (1818, 667322), (1956, 620241), (2047, 592668), (2323, 522252), (2934, 413494), (3204, 378649), (3636, 333661), (3749, 323604), (4094, 296334), (4646, 261126), (5868, 206747), (6141, 197556), (6969, 174084), (7498, 161802), (8188, 148167), (8989, 134964), (9292, 130563), (11247, 107868), (12282, 98778), (13938, 87042), (14507, 83628), (14996, 80901), (16463, 73692), (17978, 67482), (18423, 65852), (20907, 58028), (22494, 53934), (24564, 49389), (26967, 44988), (27876, 43521), (29014, 41814), (32926, 36846), (33741, 35956)]