647946312

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{2083}}^1$

素因数の和:3102

約数の個数: 64

約数和(自身を含む): 1747058880

約数和(自身を除く): 1099112568

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 997, 1994, 2083, 2991, 3988, 4166, 5982, 6249, 7976, 8332, 11964, 12498, 12961, 16664, 23928, 24996, 25922, 27079, 38883, 49992, 51844, 54158, 77766, 81237, 103688, 108316, 155532, 162474, 216632, 311064, 324948, 649896, 2076751, 4153502, 6230253, 8307004, 12460506, 16614008, 24921012, 26997763, 49842024, 53995526, 80993289, 107991052, 161986578, 215982104, 323973156, 647946312]

約数ペア:

[(1, 647946312), (2, 323973156), (3, 215982104), (4, 161986578), (6, 107991052), (8, 80993289), (12, 53995526), (13, 49842024), (24, 26997763), (26, 24921012), (39, 16614008), (52, 12460506), (78, 8307004), (104, 6230253), (156, 4153502), (312, 2076751), (997, 649896), (1994, 324948), (2083, 311064), (2991, 216632), (3988, 162474), (4166, 155532), (5982, 108316), (6249, 103688), (7976, 81237), (8332, 77766), (11964, 54158), (12498, 51844), (12961, 49992), (16664, 38883), (23928, 27079), (24996, 25922)]