17278256

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:621

約数の個数: 40

約数和(自身を含む): 35778960

約数和(自身を除く): 18500704

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 139, 272, 278, 457, 556, 914, 1112, 1828, 2224, 2363, 3656, 4726, 7312, 7769, 9452, 15538, 18904, 31076, 37808, 62152, 63523, 124304, 127046, 254092, 508184, 1016368, 1079891, 2159782, 4319564, 8639128, 17278256]

約数ペア:

[(1, 17278256), (2, 8639128), (4, 4319564), (8, 2159782), (16, 1079891), (17, 1016368), (34, 508184), (68, 254092), (136, 127046), (139, 124304), (272, 63523), (278, 62152), (457, 37808), (556, 31076), (914, 18904), (1112, 15538), (1828, 9452), (2224, 7769), (2363, 7312), (3656, 4726)]