72406984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{16981}}^1$

素因数の和:17041

約数の個数: 32

約数和(自身を含む): 149781240

約数和(自身を除く): 77374256

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 16981, 33962, 67924, 135848, 220753, 441506, 696221, 883012, 1392442, 1766024, 2784884, 5569768, 9050873, 18101746, 36203492, 72406984]

約数ペア:

[(1, 72406984), (2, 36203492), (4, 18101746), (8, 9050873), (13, 5569768), (26, 2784884), (41, 1766024), (52, 1392442), (82, 883012), (104, 696221), (164, 441506), (328, 220753), (533, 135848), (1066, 67924), (2132, 33962), (4264, 16981)]