199185664

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1387

約数の個数: 72

約数和(自身を含む): 432346880

約数和(自身を除く): 233161216

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 496, 589, 608, 992, 1178, 1216, 1321, 1984, 2356, 2432, 2642, 3968, 4712, 4864, 5284, 7936, 9424, 10568, 18848, 21136, 25099, 37696, 40951, 42272, 50198, 75392, 81902, 84544, 100396, 150784, 163804, 169088, 200792, 327608, 338176, 401584, 655216, 778069, 803168, 1310432, 1556138, 1606336, 2620864, 3112276, 3212672, 5241728, 6224552, 6425344, 10483456, 12449104, 24898208, 49796416, 99592832, 199185664]

約数ペア:

[(1, 199185664), (2, 99592832), (4, 49796416), (8, 24898208), (16, 12449104), (19, 10483456), (31, 6425344), (32, 6224552), (38, 5241728), (62, 3212672), (64, 3112276), (76, 2620864), (124, 1606336), (128, 1556138), (152, 1310432), (248, 803168), (256, 778069), (304, 655216), (496, 401584), (589, 338176), (608, 327608), (992, 200792), (1178, 169088), (1216, 163804), (1321, 150784), (1984, 100396), (2356, 84544), (2432, 81902), (2642, 75392), (3968, 50198), (4712, 42272), (4864, 40951), (5284, 37696), (7936, 25099), (9424, 21136), (10568, 18848)]