2015166839

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 2390292480

約数和(自身を除く): 375125641

約数列:

[1, 7, 67, 79, 137, 397, 469, 553, 959, 2779, 5293, 9179, 10823, 26599, 31363, 37051, 54389, 64253, 75761, 186193, 219541, 380723, 725141, 2101321, 3644063, 4296731, 5075987, 14709247, 25508441, 30077117, 287880977, 2015166839]

約数ペア:

[(1, 2015166839), (7, 287880977), (67, 30077117), (79, 25508441), (137, 14709247), (397, 5075987), (469, 4296731), (553, 3644063), (959, 2101321), (2779, 725141), (5293, 380723), (9179, 219541), (10823, 186193), (26599, 75761), (31363, 64253), (37051, 54389)]