257589384

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2287}}^1$

素因数の和:2347

約数の個数: 96

約数和(自身を含む): 732251520

約数和(自身を除く): 474662136

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 228, 247, 312, 361, 456, 494, 722, 741, 988, 1083, 1444, 1482, 1976, 2166, 2287, 2888, 2964, 4332, 4574, 4693, 5928, 6861, 8664, 9148, 9386, 13722, 14079, 18296, 18772, 27444, 28158, 29731, 37544, 43453, 54888, 56316, 59462, 86906, 89193, 112632, 118924, 130359, 173812, 178386, 237848, 260718, 347624, 356772, 521436, 564889, 713544, 825607, 1042872, 1129778, 1651214, 1694667, 2259556, 2476821, 3302428, 3389334, 4519112, 4953642, 6604856, 6778668, 9907284, 10732891, 13557336, 19814568, 21465782, 32198673, 42931564, 64397346, 85863128, 128794692, 257589384]

約数ペア:

[(1, 257589384), (2, 128794692), (3, 85863128), (4, 64397346), (6, 42931564), (8, 32198673), (12, 21465782), (13, 19814568), (19, 13557336), (24, 10732891), (26, 9907284), (38, 6778668), (39, 6604856), (52, 4953642), (57, 4519112), (76, 3389334), (78, 3302428), (104, 2476821), (114, 2259556), (152, 1694667), (156, 1651214), (228, 1129778), (247, 1042872), (312, 825607), (361, 713544), (456, 564889), (494, 521436), (722, 356772), (741, 347624), (988, 260718), (1083, 237848), (1444, 178386), (1482, 173812), (1976, 130359), (2166, 118924), (2287, 112632), (2888, 89193), (2964, 86906), (4332, 59462), (4574, 56316), (4693, 54888), (5928, 43453), (6861, 37544), (8664, 29731), (9148, 28158), (9386, 27444), (13722, 18772), (14079, 18296)]