215572158

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 493447680

約数和(自身を除く): 277875522

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 263, 353, 387, 526, 706, 774, 789, 1059, 1161, 1578, 2118, 2322, 2367, 3177, 4734, 6354, 7101, 9531, 11309, 14202, 15179, 19062, 22618, 30358, 33927, 45537, 67854, 91074, 92839, 101781, 136611, 185678, 203562, 273222, 278517, 305343, 409833, 557034, 610686, 819666, 835551, 1671102, 2506653, 3992077, 5013306, 7984154, 11976231, 23952462, 35928693, 71857386, 107786079, 215572158]

約数ペア:

[(1, 215572158), (2, 107786079), (3, 71857386), (6, 35928693), (9, 23952462), (18, 11976231), (27, 7984154), (43, 5013306), (54, 3992077), (86, 2506653), (129, 1671102), (258, 835551), (263, 819666), (353, 610686), (387, 557034), (526, 409833), (706, 305343), (774, 278517), (789, 273222), (1059, 203562), (1161, 185678), (1578, 136611), (2118, 101781), (2322, 92839), (2367, 91074), (3177, 67854), (4734, 45537), (6354, 33927), (7101, 30358), (9531, 22618), (11309, 19062), (14202, 15179)]