87811304

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 196560000

約数和(自身を除く): 108748696

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 139, 203, 232, 278, 389, 406, 556, 778, 812, 973, 1112, 1556, 1624, 1946, 2723, 3112, 3892, 4031, 5446, 7784, 8062, 10892, 11281, 16124, 21784, 22562, 28217, 32248, 45124, 54071, 56434, 78967, 90248, 108142, 112868, 157934, 216284, 225736, 315868, 378497, 432568, 631736, 756994, 1513988, 1568059, 3027976, 3136118, 6272236, 10976413, 12544472, 21952826, 43905652, 87811304]

約数ペア:

[(1, 87811304), (2, 43905652), (4, 21952826), (7, 12544472), (8, 10976413), (14, 6272236), (28, 3136118), (29, 3027976), (56, 1568059), (58, 1513988), (116, 756994), (139, 631736), (203, 432568), (232, 378497), (278, 315868), (389, 225736), (406, 216284), (556, 157934), (778, 112868), (812, 108142), (973, 90248), (1112, 78967), (1556, 56434), (1624, 54071), (1946, 45124), (2723, 32248), (3112, 28217), (3892, 22562), (4031, 21784), (5446, 16124), (7784, 11281), (8062, 10892)]