1640668844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{719}}^1\times {\mathrm{1459}}^1$

素因数の和:2222

約数の個数: 48

約数和(自身を含む): 3178828800

約数和(自身を除く): 1538159956

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 719, 782, 1438, 1459, 1564, 2876, 2918, 5836, 12223, 16537, 24446, 24803, 33074, 33557, 48892, 49606, 66148, 67114, 99212, 134228, 281129, 562258, 570469, 1049021, 1124516, 1140938, 2098042, 2281876, 4196084, 17833357, 24127483, 35666714, 48254966, 71333428, 96509932, 410167211, 820334422, 1640668844]

約数ペア:

[(1, 1640668844), (2, 820334422), (4, 410167211), (17, 96509932), (23, 71333428), (34, 48254966), (46, 35666714), (68, 24127483), (92, 17833357), (391, 4196084), (719, 2281876), (782, 2098042), (1438, 1140938), (1459, 1124516), (1564, 1049021), (2876, 570469), (2918, 562258), (5836, 281129), (12223, 134228), (16537, 99212), (24446, 67114), (24803, 66148), (33074, 49606), (33557, 48892)]