28307416

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 58924800

約数和(自身を除く): 30617384

約数列:

[1, 2, 4, 8, 19, 38, 43, 61, 71, 76, 86, 122, 142, 152, 172, 244, 284, 344, 488, 568, 817, 1159, 1349, 1634, 2318, 2623, 2698, 3053, 3268, 4331, 4636, 5246, 5396, 6106, 6536, 8662, 9272, 10492, 10792, 12212, 17324, 20984, 24424, 34648, 49837, 58007, 82289, 99674, 116014, 164578, 186233, 199348, 232028, 329156, 372466, 398696, 464056, 658312, 744932, 1489864, 3538427, 7076854, 14153708, 28307416]

約数ペア:

[(1, 28307416), (2, 14153708), (4, 7076854), (8, 3538427), (19, 1489864), (38, 744932), (43, 658312), (61, 464056), (71, 398696), (76, 372466), (86, 329156), (122, 232028), (142, 199348), (152, 186233), (172, 164578), (244, 116014), (284, 99674), (344, 82289), (488, 58007), (568, 49837), (817, 34648), (1159, 24424), (1349, 20984), (1634, 17324), (2318, 12212), (2623, 10792), (2698, 10492), (3053, 9272), (3268, 8662), (4331, 6536), (4636, 6106), (5246, 5396)]