28779436

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{587}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 61641216

約数和(自身を除く): 32861780

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 103, 119, 206, 238, 412, 476, 587, 721, 1174, 1442, 1751, 2348, 2884, 3502, 4109, 7004, 8218, 9979, 12257, 16436, 19958, 24514, 39916, 49028, 60461, 69853, 120922, 139706, 241844, 279412, 423227, 846454, 1027837, 1692908, 2055674, 4111348, 7194859, 14389718, 28779436]

約数ペア:

[(1, 28779436), (2, 14389718), (4, 7194859), (7, 4111348), (14, 2055674), (17, 1692908), (28, 1027837), (34, 846454), (68, 423227), (103, 279412), (119, 241844), (206, 139706), (238, 120922), (412, 69853), (476, 60461), (587, 49028), (721, 39916), (1174, 24514), (1442, 19958), (1751, 16436), (2348, 12257), (2884, 9979), (3502, 8218), (4109, 7004)]