31040368

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:985

約数の個数: 40

約数和(自身を含む): 64214640

約数和(自身を除く): 33174272

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 139, 272, 278, 556, 821, 1112, 1642, 2224, 2363, 3284, 4726, 6568, 9452, 13136, 13957, 18904, 27914, 37808, 55828, 111656, 114119, 223312, 228238, 456476, 912952, 1825904, 1940023, 3880046, 7760092, 15520184, 31040368]

約数ペア:

[(1, 31040368), (2, 15520184), (4, 7760092), (8, 3880046), (16, 1940023), (17, 1825904), (34, 912952), (68, 456476), (136, 228238), (139, 223312), (272, 114119), (278, 111656), (556, 55828), (821, 37808), (1112, 27914), (1642, 18904), (2224, 13957), (2363, 13136), (3284, 9452), (4726, 6568)]