13521625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 32

約数和(自身を含む): 18633888

約数和(自身を除く): 5112263

約数列:

[1, 5, 13, 25, 53, 65, 125, 157, 265, 325, 689, 785, 1325, 1625, 2041, 3445, 3925, 6625, 8321, 10205, 17225, 19625, 41605, 51025, 86125, 108173, 208025, 255125, 540865, 1040125, 2704325, 13521625]

約数ペア:

[(1, 13521625), (5, 2704325), (13, 1040125), (25, 540865), (53, 255125), (65, 208025), (125, 108173), (157, 86125), (265, 51025), (325, 41605), (689, 19625), (785, 17225), (1325, 10205), (1625, 8321), (2041, 6625), (3445, 3925)]