64138928

素因数分解:

$2^4\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1511}}^1$

素因数の和:1905

約数の個数: 40

約数和(自身を含む): 142490880

約数和(自身を除く): 78351952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 379, 758, 1511, 1516, 2653, 3022, 3032, 5306, 6044, 6064, 10577, 10612, 12088, 21154, 21224, 24176, 42308, 42448, 84616, 169232, 572669, 1145338, 2290676, 4008683, 4581352, 8017366, 9162704, 16034732, 32069464, 64138928]

約数ペア:

[(1, 64138928), (2, 32069464), (4, 16034732), (7, 9162704), (8, 8017366), (14, 4581352), (16, 4008683), (28, 2290676), (56, 1145338), (112, 572669), (379, 169232), (758, 84616), (1511, 42448), (1516, 42308), (2653, 24176), (3022, 21224), (3032, 21154), (5306, 12088), (6044, 10612), (6064, 10577)]