211369698

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{165391}}^1$

素因数の和:165470

約数の個数: 24

約数和(自身を含む): 464420736

約数和(自身を除く): 253051038

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 165391, 330782, 496173, 992346, 1488519, 2977038, 11742761, 23485522, 35228283, 70456566, 105684849, 211369698]

約数ペア:

[(1, 211369698), (2, 105684849), (3, 70456566), (6, 35228283), (9, 23485522), (18, 11742761), (71, 2977038), (142, 1488519), (213, 992346), (426, 496173), (639, 330782), (1278, 165391)]