163438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 32

約数和(自身を含む): 311040

約数和(自身を除く): 147602

約数列:

[1, 2, 11, 17, 19, 22, 23, 34, 38, 46, 187, 209, 253, 323, 374, 391, 418, 437, 506, 646, 782, 874, 3553, 4301, 4807, 7106, 7429, 8602, 9614, 14858, 81719, 163438]

約数ペア:

[(1, 163438), (2, 81719), (11, 14858), (17, 9614), (19, 8602), (22, 7429), (23, 7106), (34, 4807), (38, 4301), (46, 3553), (187, 874), (209, 782), (253, 646), (323, 506), (374, 437), (391, 418)]