1555156631

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{2861}}^1$

素因数の和:3015

約数の個数: 32

約数和(自身を含む): 1930590720

約数和(自身を除く): 375434089

約数列:

[1, 7, 19, 61, 67, 133, 427, 469, 1159, 1273, 2861, 4087, 8113, 8911, 20027, 28609, 54359, 77653, 174521, 191687, 380513, 543571, 1221647, 1341809, 3315899, 3642053, 11692907, 23211293, 25494371, 81850349, 222165233, 1555156631]

約数ペア:

[(1, 1555156631), (7, 222165233), (19, 81850349), (61, 25494371), (67, 23211293), (133, 11692907), (427, 3642053), (469, 3315899), (1159, 1341809), (1273, 1221647), (2861, 543571), (4087, 380513), (8113, 191687), (8911, 174521), (20027, 77653), (28609, 54359)]