1640964063

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{823}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 2278195200

約数和(自身を除く): 637231137

約数列:

[1, 3, 47, 79, 141, 179, 237, 537, 823, 2469, 3713, 8413, 11139, 14141, 25239, 38681, 42423, 65017, 116043, 147317, 195051, 441951, 664627, 1993881, 3055799, 6923899, 9167397, 11638043, 20771697, 34914129, 546988021, 1640964063]

約数ペア:

[(1, 1640964063), (3, 546988021), (47, 34914129), (79, 20771697), (141, 11638043), (179, 9167397), (237, 6923899), (537, 3055799), (823, 1993881), (2469, 664627), (3713, 441951), (8413, 195051), (11139, 147317), (14141, 116043), (25239, 65017), (38681, 42423)]