61996090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{12889}}^1$

素因数の和:12946

約数の個数: 32

約数和(自身を含む): 123434640

約数和(自身を除く): 61438550

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 12889, 25778, 64445, 128890, 167557, 335114, 476893, 837785, 953786, 1675570, 2384465, 4768930, 6199609, 12399218, 30998045, 61996090]

約数ペア:

[(1, 61996090), (2, 30998045), (5, 12399218), (10, 6199609), (13, 4768930), (26, 2384465), (37, 1675570), (65, 953786), (74, 837785), (130, 476893), (185, 335114), (370, 167557), (481, 128890), (962, 64445), (2405, 25778), (4810, 12889)]