9780454736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{644129}}^1$

素因数の和:644223

約数の個数: 40

約数和(自身を含む): 20686879080

約数和(自身を除く): 10906424344

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1898, 3796, 7592, 15184, 644129, 1288258, 2576516, 5153032, 8373677, 10306064, 16747354, 33494708, 47021417, 66989416, 94042834, 133978832, 188085668, 376171336, 611278421, 752342672, 1222556842, 2445113684, 4890227368, 9780454736]

約数ペア:

[(1, 9780454736), (2, 4890227368), (4, 2445113684), (8, 1222556842), (13, 752342672), (16, 611278421), (26, 376171336), (52, 188085668), (73, 133978832), (104, 94042834), (146, 66989416), (208, 47021417), (292, 33494708), (584, 16747354), (949, 10306064), (1168, 8373677), (1898, 5153032), (3796, 2576516), (7592, 1288258), (15184, 644129)]