81407638

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 134346240

約数和(自身を除く): 52938602

約数列:

[1, 2, 13, 26, 97, 169, 191, 194, 338, 382, 1261, 2197, 2483, 2522, 4394, 4966, 16393, 18527, 32279, 32786, 37054, 64558, 213109, 240851, 419627, 426218, 481702, 839254, 3131063, 6262126, 40703819, 81407638]

約数ペア:

[(1, 81407638), (2, 40703819), (13, 6262126), (26, 3131063), (97, 839254), (169, 481702), (191, 426218), (194, 419627), (338, 240851), (382, 213109), (1261, 64558), (2197, 37054), (2483, 32786), (2522, 32279), (4394, 18527), (4966, 16393)]