12917290

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 23950080

約数和(自身を除く): 11032790

約数列:

[1, 2, 5, 10, 79, 83, 158, 166, 197, 394, 395, 415, 790, 830, 985, 1970, 6557, 13114, 15563, 16351, 31126, 32702, 32785, 65570, 77815, 81755, 155630, 163510, 1291729, 2583458, 6458645, 12917290]

約数ペア:

[(1, 12917290), (2, 6458645), (5, 2583458), (10, 1291729), (79, 163510), (83, 155630), (158, 81755), (166, 77815), (197, 65570), (394, 32785), (395, 32702), (415, 31126), (790, 16351), (830, 15563), (985, 13114), (1970, 6557)]