42948490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8929}}^1$

素因数の和:8986

約数の個数: 32

約数和(自身を含む): 85513680

約数和(自身を除く): 42565190

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 8929, 17858, 44645, 89290, 116077, 232154, 330373, 580385, 660746, 1160770, 1651865, 3303730, 4294849, 8589698, 21474245, 42948490]

約数ペア:

[(1, 42948490), (2, 21474245), (5, 8589698), (10, 4294849), (13, 3303730), (26, 1651865), (37, 1160770), (65, 660746), (74, 580385), (130, 330373), (185, 232154), (370, 116077), (481, 89290), (962, 44645), (2405, 17858), (4810, 8929)]