1864758064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{487}}^1$

素因数の和:998

約数の個数: 80

約数和(自身を含む): 4002868800

約数和(自身を除く): 2138110736

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 449, 487, 533, 656, 898, 974, 1066, 1796, 1948, 2132, 3592, 3896, 4264, 5837, 6331, 7184, 7792, 8528, 11674, 12662, 18409, 19967, 23348, 25324, 36818, 39934, 46696, 50648, 73636, 79868, 93392, 101296, 147272, 159736, 218663, 239317, 259571, 294544, 319472, 437326, 478634, 519142, 874652, 957268, 1038284, 1749304, 1914536, 2076568, 2842619, 3498608, 3829072, 4153136, 5685238, 8965183, 11370476, 17930366, 22740952, 35860732, 45481904, 71721464, 116547379, 143442928, 233094758, 466189516, 932379032, 1864758064]

約数ペア:

[(1, 1864758064), (2, 932379032), (4, 466189516), (8, 233094758), (13, 143442928), (16, 116547379), (26, 71721464), (41, 45481904), (52, 35860732), (82, 22740952), (104, 17930366), (164, 11370476), (208, 8965183), (328, 5685238), (449, 4153136), (487, 3829072), (533, 3498608), (656, 2842619), (898, 2076568), (974, 1914536), (1066, 1749304), (1796, 1038284), (1948, 957268), (2132, 874652), (3592, 519142), (3896, 478634), (4264, 437326), (5837, 319472), (6331, 294544), (7184, 259571), (7792, 239317), (8528, 218663), (11674, 159736), (12662, 147272), (18409, 101296), (19967, 93392), (23348, 79868), (25324, 73636), (36818, 50648), (39934, 46696)]