28309624

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 65007360

約数和(自身を除く): 36697736

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 131, 136, 227, 238, 262, 454, 476, 524, 908, 917, 952, 1048, 1589, 1816, 1834, 2227, 3178, 3668, 3859, 4454, 6356, 7336, 7718, 8908, 12712, 15436, 15589, 17816, 27013, 29737, 30872, 31178, 54026, 59474, 62356, 108052, 118948, 124712, 208159, 216104, 237896, 416318, 505529, 832636, 1011058, 1665272, 2022116, 3538703, 4044232, 7077406, 14154812, 28309624]

約数ペア:

[(1, 28309624), (2, 14154812), (4, 7077406), (7, 4044232), (8, 3538703), (14, 2022116), (17, 1665272), (28, 1011058), (34, 832636), (56, 505529), (68, 416318), (119, 237896), (131, 216104), (136, 208159), (227, 124712), (238, 118948), (262, 108052), (454, 62356), (476, 59474), (524, 54026), (908, 31178), (917, 30872), (952, 29737), (1048, 27013), (1589, 17816), (1816, 15589), (1834, 15436), (2227, 12712), (3178, 8908), (3668, 7718), (3859, 7336), (4454, 6356)]