128674784

素因数分解:

$2^5\times 7^2\times {\mathrm{137}}^1\times {\mathrm{599}}^1$

素因数の和:760

約数の個数: 72

約数和(自身を含む): 297334800

約数和(自身を除く): 168660016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 137, 196, 224, 274, 392, 548, 599, 784, 959, 1096, 1198, 1568, 1918, 2192, 2396, 3836, 4193, 4384, 4792, 6713, 7672, 8386, 9584, 13426, 15344, 16772, 19168, 26852, 29351, 30688, 33544, 53704, 58702, 67088, 82063, 107408, 117404, 134176, 164126, 214816, 234808, 328252, 469616, 574441, 656504, 939232, 1148882, 1313008, 2297764, 2626016, 4021087, 4595528, 8042174, 9191056, 16084348, 18382112, 32168696, 64337392, 128674784]

約数ペア:

[(1, 128674784), (2, 64337392), (4, 32168696), (7, 18382112), (8, 16084348), (14, 9191056), (16, 8042174), (28, 4595528), (32, 4021087), (49, 2626016), (56, 2297764), (98, 1313008), (112, 1148882), (137, 939232), (196, 656504), (224, 574441), (274, 469616), (392, 328252), (548, 234808), (599, 214816), (784, 164126), (959, 134176), (1096, 117404), (1198, 107408), (1568, 82063), (1918, 67088), (2192, 58702), (2396, 53704), (3836, 33544), (4193, 30688), (4384, 29351), (4792, 26852), (6713, 19168), (7672, 16772), (8386, 15344), (9584, 13426)]