66569570

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 122007600

約数和(自身を除く): 55438030

約数列:

[1, 2, 5, 10, 109, 157, 218, 314, 389, 545, 778, 785, 1090, 1570, 1945, 3890, 17113, 34226, 42401, 61073, 84802, 85565, 122146, 171130, 212005, 305365, 424010, 610730, 6656957, 13313914, 33284785, 66569570]

約数ペア:

[(1, 66569570), (2, 33284785), (5, 13313914), (10, 6656957), (109, 610730), (157, 424010), (218, 305365), (314, 212005), (389, 171130), (545, 122146), (778, 85565), (785, 84802), (1090, 61073), (1570, 42401), (1945, 34226), (3890, 17113)]