81017104

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2503}}^1$

素因数の和:2552

約数の個数: 60

約数和(自身を含む): 190644544

約数和(自身を除く): 109627440

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 289, 476, 578, 952, 1156, 1904, 2023, 2312, 2503, 4046, 4624, 5006, 8092, 10012, 16184, 17521, 20024, 32368, 35042, 40048, 42551, 70084, 85102, 140168, 170204, 280336, 297857, 340408, 595714, 680816, 723367, 1191428, 1446734, 2382856, 2893468, 4765712, 5063569, 5786936, 10127138, 11573872, 20254276, 40508552, 81017104]

約数ペア:

[(1, 81017104), (2, 40508552), (4, 20254276), (7, 11573872), (8, 10127138), (14, 5786936), (16, 5063569), (17, 4765712), (28, 2893468), (34, 2382856), (56, 1446734), (68, 1191428), (112, 723367), (119, 680816), (136, 595714), (238, 340408), (272, 297857), (289, 280336), (476, 170204), (578, 140168), (952, 85102), (1156, 70084), (1904, 42551), (2023, 40048), (2312, 35042), (2503, 32368), (4046, 20024), (4624, 17521), (5006, 16184), (8092, 10012)]