261612728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2027}}^1$

素因数の和:2136

約数の個数: 64

約数和(自身を含む): 567272160

約数和(自身を除く): 305659432

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 73, 104, 136, 146, 221, 292, 442, 584, 884, 949, 1241, 1768, 1898, 2027, 2482, 3796, 4054, 4964, 7592, 8108, 9928, 16133, 16216, 26351, 32266, 34459, 52702, 64532, 68918, 105404, 129064, 137836, 147971, 210808, 275672, 295942, 447967, 591884, 895934, 1183768, 1791868, 1923623, 2515507, 3583736, 3847246, 5031014, 7694492, 10062028, 15388984, 20124056, 32701591, 65403182, 130806364, 261612728]

約数ペア:

[(1, 261612728), (2, 130806364), (4, 65403182), (8, 32701591), (13, 20124056), (17, 15388984), (26, 10062028), (34, 7694492), (52, 5031014), (68, 3847246), (73, 3583736), (104, 2515507), (136, 1923623), (146, 1791868), (221, 1183768), (292, 895934), (442, 591884), (584, 447967), (884, 295942), (949, 275672), (1241, 210808), (1768, 147971), (1898, 137836), (2027, 129064), (2482, 105404), (3796, 68918), (4054, 64532), (4964, 52702), (7592, 34459), (8108, 32266), (9928, 26351), (16133, 16216)]