260406

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:85

約数の個数: 48

約数和(自身を含む): 640224

約数和(自身を除く): 379818

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 34, 37, 46, 51, 69, 74, 102, 111, 138, 153, 207, 222, 306, 333, 391, 414, 629, 666, 782, 851, 1173, 1258, 1702, 1887, 2346, 2553, 3519, 3774, 5106, 5661, 7038, 7659, 11322, 14467, 15318, 28934, 43401, 86802, 130203, 260406]

約数ペア:

[(1, 260406), (2, 130203), (3, 86802), (6, 43401), (9, 28934), (17, 15318), (18, 14467), (23, 11322), (34, 7659), (37, 7038), (46, 5661), (51, 5106), (69, 3774), (74, 3519), (102, 2553), (111, 2346), (138, 1887), (153, 1702), (207, 1258), (222, 1173), (306, 851), (333, 782), (391, 666), (414, 629)]