639481470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{17573}}^1$

素因数の和:18796

約数の個数: 32

約数和(自身を含む): 1536108192

約数和(自身を除く): 896626722

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 1213, 2426, 3639, 6065, 7278, 12130, 17573, 18195, 35146, 36390, 52719, 87865, 105438, 175730, 263595, 527190, 21316049, 42632098, 63948147, 106580245, 127896294, 213160490, 319740735, 639481470]

約数ペア:

[(1, 639481470), (2, 319740735), (3, 213160490), (5, 127896294), (6, 106580245), (10, 63948147), (15, 42632098), (30, 21316049), (1213, 527190), (2426, 263595), (3639, 175730), (6065, 105438), (7278, 87865), (12130, 52719), (17573, 36390), (18195, 35146)]