989825272

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{2521}}^1\times {\mathrm{2887}}^1$

素因数の和:5431

約数の個数: 32

約数和(自身を含む): 1966554720

約数和(自身を除く): 976729448

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 2521, 2887, 5042, 5774, 10084, 11548, 20168, 23096, 42857, 49079, 85714, 98158, 171428, 196316, 342856, 392632, 7278127, 14556254, 29112508, 58225016, 123728159, 247456318, 494912636, 989825272]

約数ペア:

[(1, 989825272), (2, 494912636), (4, 247456318), (8, 123728159), (17, 58225016), (34, 29112508), (68, 14556254), (136, 7278127), (2521, 392632), (2887, 342856), (5042, 196316), (5774, 171428), (10084, 98158), (11548, 85714), (20168, 49079), (23096, 42857)]