28717509728

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1901}}^1$

素因数の和:2152

約数の個数: 96

約数和(自身を含む): 58839359040

約数和(自身を除く): 30121849312

約数列:

[1, 2, 4, 8, 16, 32, 61, 71, 109, 122, 142, 218, 244, 284, 436, 488, 568, 872, 976, 1136, 1744, 1901, 1952, 2272, 3488, 3802, 4331, 6649, 7604, 7739, 8662, 13298, 15208, 15478, 17324, 26596, 30416, 30956, 34648, 53192, 60832, 61912, 69296, 106384, 115961, 123824, 134971, 138592, 207209, 212768, 231922, 247648, 269942, 414418, 463844, 472079, 539884, 828836, 927688, 944158, 1079768, 1657672, 1855376, 1888316, 2159536, 3315344, 3710752, 3776632, 4319072, 6630688, 7553264, 8233231, 12639749, 14711839, 15106528, 16466462, 25279498, 29423678, 32932924, 50558996, 58847356, 65865848, 101117992, 117694712, 131731696, 202235984, 235389424, 263463392, 404471968, 470778848, 897422179, 1794844358, 3589688716, 7179377432, 14358754864, 28717509728]

約数ペア:

[(1, 28717509728), (2, 14358754864), (4, 7179377432), (8, 3589688716), (16, 1794844358), (32, 897422179), (61, 470778848), (71, 404471968), (109, 263463392), (122, 235389424), (142, 202235984), (218, 131731696), (244, 117694712), (284, 101117992), (436, 65865848), (488, 58847356), (568, 50558996), (872, 32932924), (976, 29423678), (1136, 25279498), (1744, 16466462), (1901, 15106528), (1952, 14711839), (2272, 12639749), (3488, 8233231), (3802, 7553264), (4331, 6630688), (6649, 4319072), (7604, 3776632), (7739, 3710752), (8662, 3315344), (13298, 2159536), (15208, 1888316), (15478, 1855376), (17324, 1657672), (26596, 1079768), (30416, 944158), (30956, 927688), (34648, 828836), (53192, 539884), (60832, 472079), (61912, 463844), (69296, 414418), (106384, 269942), (115961, 247648), (123824, 231922), (134971, 212768), (138592, 207209)]