1640673816

素因数分解:

$2^3\times 3^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1\times {\mathrm{2777}}^1$

素因数の和:3128

約数の個数: 64

約数和(自身を含む): 4160332800

約数和(自身を除く): 2519658984

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 103, 206, 239, 309, 412, 478, 618, 717, 824, 956, 1236, 1434, 1912, 2472, 2777, 2868, 5554, 5736, 8331, 11108, 16662, 22216, 24617, 33324, 49234, 66648, 73851, 98468, 147702, 196936, 286031, 295404, 572062, 590808, 663703, 858093, 1144124, 1327406, 1716186, 1991109, 2288248, 2654812, 3432372, 3982218, 5309624, 6864744, 7964436, 15928872, 68361409, 136722818, 205084227, 273445636, 410168454, 546891272, 820336908, 1640673816]

約数ペア:

[(1, 1640673816), (2, 820336908), (3, 546891272), (4, 410168454), (6, 273445636), (8, 205084227), (12, 136722818), (24, 68361409), (103, 15928872), (206, 7964436), (239, 6864744), (309, 5309624), (412, 3982218), (478, 3432372), (618, 2654812), (717, 2288248), (824, 1991109), (956, 1716186), (1236, 1327406), (1434, 1144124), (1912, 858093), (2472, 663703), (2777, 590808), (2868, 572062), (5554, 295404), (5736, 286031), (8331, 196936), (11108, 147702), (16662, 98468), (22216, 73851), (24617, 66648), (33324, 49234)]