1815736

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 3952800

約数和(自身を除く): 2137064

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 79, 104, 136, 158, 169, 221, 316, 338, 442, 632, 676, 884, 1027, 1343, 1352, 1768, 2054, 2686, 2873, 4108, 5372, 5746, 8216, 10744, 11492, 13351, 17459, 22984, 26702, 34918, 53404, 69836, 106808, 139672, 226967, 453934, 907868, 1815736]

約数ペア:

[(1, 1815736), (2, 907868), (4, 453934), (8, 226967), (13, 139672), (17, 106808), (26, 69836), (34, 53404), (52, 34918), (68, 26702), (79, 22984), (104, 17459), (136, 13351), (158, 11492), (169, 10744), (221, 8216), (316, 5746), (338, 5372), (442, 4108), (632, 2873), (676, 2686), (884, 2054), (1027, 1768), (1343, 1352)]