1640383914

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{313889}}^1$

素因数の和:313974

約数の個数: 32

約数和(自身を含む): 3585879360

約数和(自身を除く): 1945495446

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 5226, 313889, 627778, 941667, 1883334, 4080557, 8161114, 12241671, 21030563, 24483342, 42061126, 63091689, 126183378, 273397319, 546794638, 820191957, 1640383914]

約数ペア:

[(1, 1640383914), (2, 820191957), (3, 546794638), (6, 273397319), (13, 126183378), (26, 63091689), (39, 42061126), (67, 24483342), (78, 21030563), (134, 12241671), (201, 8161114), (402, 4080557), (871, 1883334), (1742, 941667), (2613, 627778), (5226, 313889)]