215688316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{12637}}^1$

素因数の和:12909

約数の個数: 24

約数和(自身を含む): 401281776

約数和(自身を除く): 185593460

約数列:

[1, 2, 4, 17, 34, 68, 251, 502, 1004, 4267, 8534, 12637, 17068, 25274, 50548, 214829, 429658, 859316, 3171887, 6343774, 12687548, 53922079, 107844158, 215688316]

約数ペア:

[(1, 215688316), (2, 107844158), (4, 53922079), (17, 12687548), (34, 6343774), (68, 3171887), (251, 859316), (502, 429658), (1004, 214829), (4267, 50548), (8534, 25274), (12637, 17068)]