68915990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{48193}}^1$

素因数の和:48224

約数の個数: 32

約数和(自身を含む): 145738656

約数和(自身を除く): 76822666

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 48193, 96386, 240965, 481930, 530123, 626509, 1060246, 1253018, 2650615, 3132545, 5301230, 6265090, 6891599, 13783198, 34457995, 68915990]

約数ペア:

[(1, 68915990), (2, 34457995), (5, 13783198), (10, 6891599), (11, 6265090), (13, 5301230), (22, 3132545), (26, 2650615), (55, 1253018), (65, 1060246), (110, 626509), (130, 530123), (143, 481930), (286, 240965), (715, 96386), (1430, 48193)]