216413210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{72379}}^1$

素因数の和:72422

約数の個数: 32

約数和(自身を含む): 437754240

約数和(自身を除く): 221341030

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 72379, 144758, 361895, 723790, 940927, 1664717, 1881854, 3329434, 4704635, 8323585, 9409270, 16647170, 21641321, 43282642, 108206605, 216413210]

約数ペア:

[(1, 216413210), (2, 108206605), (5, 43282642), (10, 21641321), (13, 16647170), (23, 9409270), (26, 8323585), (46, 4704635), (65, 3329434), (115, 1881854), (130, 1664717), (230, 940927), (299, 723790), (598, 361895), (1495, 144758), (2990, 72379)]