128996959

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6983}}^1$

素因数の和:7039

約数の個数: 24

約数和(自身を含む): 167196960

約数和(自身を除く): 38200001

約数列:

[1, 7, 13, 29, 49, 91, 203, 377, 637, 1421, 2639, 6983, 18473, 48881, 90779, 202507, 342167, 635453, 1417549, 2632591, 4448171, 9922843, 18428137, 128996959]

約数ペア:

[(1, 128996959), (7, 18428137), (13, 9922843), (29, 4448171), (49, 2632591), (91, 1417549), (203, 635453), (377, 342167), (637, 202507), (1421, 90779), (2639, 48881), (6983, 18473)]