661612912

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{6703}}^1$

素因数の和:6941

約数の個数: 40

約数和(自身を含む): 1330073600

約数和(自身を除く): 668460688

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 199, 248, 398, 496, 796, 1592, 3184, 6169, 6703, 12338, 13406, 24676, 26812, 49352, 53624, 98704, 107248, 207793, 415586, 831172, 1333897, 1662344, 2667794, 3324688, 5335588, 10671176, 21342352, 41350807, 82701614, 165403228, 330806456, 661612912]

約数ペア:

[(1, 661612912), (2, 330806456), (4, 165403228), (8, 82701614), (16, 41350807), (31, 21342352), (62, 10671176), (124, 5335588), (199, 3324688), (248, 2667794), (398, 1662344), (496, 1333897), (796, 831172), (1592, 415586), (3184, 207793), (6169, 107248), (6703, 98704), (12338, 53624), (13406, 49352), (24676, 26812)]