663822740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{77731}}^1$

素因数の和:77808

約数の個数: 48

約数和(自身を含む): 1619313024

約数和(自身を除く): 955490284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 77731, 155462, 310924, 388655, 544117, 777310, 1088234, 1554620, 2176468, 2720585, 4741591, 5441170, 9483182, 10882340, 18966364, 23707955, 33191137, 47415910, 66382274, 94831820, 132764548, 165955685, 331911370, 663822740]

約数ペア:

[(1, 663822740), (2, 331911370), (4, 165955685), (5, 132764548), (7, 94831820), (10, 66382274), (14, 47415910), (20, 33191137), (28, 23707955), (35, 18966364), (61, 10882340), (70, 9483182), (122, 5441170), (140, 4741591), (244, 2720585), (305, 2176468), (427, 1554620), (610, 1088234), (854, 777310), (1220, 544117), (1708, 388655), (2135, 310924), (4270, 155462), (8540, 77731)]