638570244

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{99839}}^1$

素因数の和:99900

約数の個数: 48

約数和(自身を含む): 1643765760

約数和(自身を除く): 1005195516

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 246, 492, 533, 1066, 1599, 2132, 3198, 6396, 99839, 199678, 299517, 399356, 599034, 1198068, 1297907, 2595814, 3893721, 4093399, 5191628, 7787442, 8186798, 12280197, 15574884, 16373596, 24560394, 49120788, 53214187, 106428374, 159642561, 212856748, 319285122, 638570244]

約数ペア:

[(1, 638570244), (2, 319285122), (3, 212856748), (4, 159642561), (6, 106428374), (12, 53214187), (13, 49120788), (26, 24560394), (39, 16373596), (41, 15574884), (52, 12280197), (78, 8186798), (82, 7787442), (123, 5191628), (156, 4093399), (164, 3893721), (246, 2595814), (492, 1297907), (533, 1198068), (1066, 599034), (1599, 399356), (2132, 299517), (3198, 199678), (6396, 99839)]