278344672

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{3259}}^1$

素因数の和:3443

約数の個数: 48

約数和(自身を含む): 584100720

約数和(自身を除く): 305756048

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 157, 272, 314, 544, 628, 1256, 2512, 2669, 3259, 5024, 5338, 6518, 10676, 13036, 21352, 26072, 42704, 52144, 55403, 85408, 104288, 110806, 221612, 443224, 511663, 886448, 1023326, 1772896, 2046652, 4093304, 8186608, 8698271, 16373216, 17396542, 34793084, 69586168, 139172336, 278344672]

約数ペア:

[(1, 278344672), (2, 139172336), (4, 69586168), (8, 34793084), (16, 17396542), (17, 16373216), (32, 8698271), (34, 8186608), (68, 4093304), (136, 2046652), (157, 1772896), (272, 1023326), (314, 886448), (544, 511663), (628, 443224), (1256, 221612), (2512, 110806), (2669, 104288), (3259, 85408), (5024, 55403), (5338, 52144), (6518, 42704), (10676, 26072), (13036, 21352)]