28427672

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2297}}^1$

素因数の和:2340

約数の個数: 64

約数和(自身を含む): 69491520

約数和(自身を除く): 41063848

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1768, 2297, 3094, 4594, 6188, 9188, 12376, 16079, 18376, 29861, 32158, 39049, 59722, 64316, 78098, 119444, 128632, 156196, 209027, 238888, 273343, 312392, 418054, 507637, 546686, 836108, 1015274, 1093372, 1672216, 2030548, 2186744, 3553459, 4061096, 7106918, 14213836, 28427672]

約数ペア:

[(1, 28427672), (2, 14213836), (4, 7106918), (7, 4061096), (8, 3553459), (13, 2186744), (14, 2030548), (17, 1672216), (26, 1093372), (28, 1015274), (34, 836108), (52, 546686), (56, 507637), (68, 418054), (91, 312392), (104, 273343), (119, 238888), (136, 209027), (182, 156196), (221, 128632), (238, 119444), (364, 78098), (442, 64316), (476, 59722), (728, 39049), (884, 32158), (952, 29861), (1547, 18376), (1768, 16079), (2297, 12376), (3094, 9188), (4594, 6188)]