215857638

素因数分解:

$2^1\times 3^2\times {\mathrm{991}}^1\times {\mathrm{12101}}^1$

素因数の和:13100

約数の個数: 24

約数和(自身を含む): 468202176

約数和(自身を除く): 252344538

約数列:

[1, 2, 3, 6, 9, 18, 991, 1982, 2973, 5946, 8919, 12101, 17838, 24202, 36303, 72606, 108909, 217818, 11992091, 23984182, 35976273, 71952546, 107928819, 215857638]

約数ペア:

[(1, 215857638), (2, 107928819), (3, 71952546), (6, 35976273), (9, 23984182), (18, 11992091), (991, 217818), (1982, 108909), (2973, 72606), (5946, 36303), (8919, 24202), (12101, 17838)]