28760072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 62899200

約数和(自身を除く): 34139128

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 103, 152, 167, 206, 209, 334, 412, 418, 668, 824, 836, 1133, 1336, 1672, 1837, 1957, 2266, 3173, 3674, 3914, 4532, 6346, 7348, 7828, 9064, 12692, 14696, 15656, 17201, 21527, 25384, 34402, 34903, 43054, 68804, 69806, 86108, 137608, 139612, 172216, 189211, 279224, 326819, 378422, 653638, 756844, 1307276, 1513688, 2614552, 3595009, 7190018, 14380036, 28760072]

約数ペア:

[(1, 28760072), (2, 14380036), (4, 7190018), (8, 3595009), (11, 2614552), (19, 1513688), (22, 1307276), (38, 756844), (44, 653638), (76, 378422), (88, 326819), (103, 279224), (152, 189211), (167, 172216), (206, 139612), (209, 137608), (334, 86108), (412, 69806), (418, 68804), (668, 43054), (824, 34903), (836, 34402), (1133, 25384), (1336, 21527), (1672, 17201), (1837, 15656), (1957, 14696), (2266, 12692), (3173, 9064), (3674, 7828), (3914, 7348), (4532, 6346)]