61278490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67339}}^1$

素因数の和:67366

約数の個数: 32

約数和(自身を含む): 135757440

約数和(自身を除く): 74478950

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 67339, 134678, 336695, 471373, 673390, 875407, 942746, 1750814, 2356865, 4377035, 4713730, 6127849, 8754070, 12255698, 30639245, 61278490]

約数ペア:

[(1, 61278490), (2, 30639245), (5, 12255698), (7, 8754070), (10, 6127849), (13, 4713730), (14, 4377035), (26, 2356865), (35, 1750814), (65, 942746), (70, 875407), (91, 673390), (130, 471373), (182, 336695), (455, 134678), (910, 67339)]