1971767648

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{7919}}^1$

素因数の和:8211

約数の個数: 48

約数和(自身を含む): 4023613440

約数和(自身を除く): 2051845792

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 251, 496, 502, 992, 1004, 2008, 4016, 7781, 7919, 8032, 15562, 15838, 31124, 31676, 62248, 63352, 124496, 126704, 245489, 248992, 253408, 490978, 981956, 1963912, 1987669, 3927824, 3975338, 7855648, 7950676, 15901352, 31802704, 61617739, 63605408, 123235478, 246470956, 492941912, 985883824, 1971767648]

約数ペア:

[(1, 1971767648), (2, 985883824), (4, 492941912), (8, 246470956), (16, 123235478), (31, 63605408), (32, 61617739), (62, 31802704), (124, 15901352), (248, 7950676), (251, 7855648), (496, 3975338), (502, 3927824), (992, 1987669), (1004, 1963912), (2008, 981956), (4016, 490978), (7781, 253408), (7919, 248992), (8032, 245489), (15562, 126704), (15838, 124496), (31124, 63352), (31676, 62248)]