1385401225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{39839}}^1$

素因数の和:39969

約数の個数: 24

約数和(自身を含む): 1867380480

約数和(自身を除く): 481979255

約数列:

[1, 5, 13, 25, 65, 107, 325, 535, 1391, 2675, 6955, 34775, 39839, 199195, 517907, 995975, 2589535, 4262773, 12947675, 21313865, 55416049, 106569325, 277080245, 1385401225]

約数ペア:

[(1, 1385401225), (5, 277080245), (13, 106569325), (25, 55416049), (65, 21313865), (107, 12947675), (325, 4262773), (535, 2589535), (1391, 995975), (2675, 517907), (6955, 199195), (34775, 39839)]