313495

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1$

素因数の和:91

約数の個数: 24

約数和(自身を含む): 474336

約数和(自身を除く): 160841

約数列:

[1, 5, 7, 13, 35, 53, 65, 91, 169, 265, 371, 455, 689, 845, 1183, 1855, 3445, 4823, 5915, 8957, 24115, 44785, 62699, 313495]

約数ペア:

[(1, 313495), (5, 62699), (7, 44785), (13, 24115), (35, 8957), (53, 5915), (65, 4823), (91, 3445), (169, 1855), (265, 1183), (371, 845), (455, 689)]