78406394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 131155200

約数和(自身を除く): 52748806

約数列:

[1, 2, 11, 22, 79, 158, 197, 229, 394, 458, 869, 1738, 2167, 2519, 4334, 5038, 15563, 18091, 31126, 36182, 45113, 90226, 171193, 199001, 342386, 398002, 496243, 992486, 3563927, 7127854, 39203197, 78406394]

約数ペア:

[(1, 78406394), (2, 39203197), (11, 7127854), (22, 3563927), (79, 992486), (158, 496243), (197, 398002), (229, 342386), (394, 199001), (458, 171193), (869, 90226), (1738, 45113), (2167, 36182), (2519, 31126), (4334, 18091), (5038, 15563)]