721262988

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1021}}^1$

素因数の和:1276

約数の個数: 96

約数和(自身を含む): 1941309440

約数和(自身を除く): 1220046452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 211, 279, 372, 422, 558, 633, 837, 844, 1021, 1116, 1266, 1674, 1899, 2042, 2532, 3063, 3348, 3798, 4084, 5697, 6126, 6541, 7596, 9189, 11394, 12252, 13082, 18378, 19623, 22788, 26164, 27567, 31651, 36756, 39246, 55134, 58869, 63302, 78492, 94953, 110268, 117738, 126604, 176607, 189906, 215431, 235476, 284859, 353214, 379812, 430862, 569718, 646293, 706428, 854577, 861724, 1139436, 1292586, 1709154, 1938879, 2585172, 3418308, 3877758, 5816637, 6678361, 7755516, 11633274, 13356722, 20035083, 23266548, 26713444, 40070166, 60105249, 80140332, 120210498, 180315747, 240420996, 360631494, 721262988]

約数ペア:

[(1, 721262988), (2, 360631494), (3, 240420996), (4, 180315747), (6, 120210498), (9, 80140332), (12, 60105249), (18, 40070166), (27, 26713444), (31, 23266548), (36, 20035083), (54, 13356722), (62, 11633274), (93, 7755516), (108, 6678361), (124, 5816637), (186, 3877758), (211, 3418308), (279, 2585172), (372, 1938879), (422, 1709154), (558, 1292586), (633, 1139436), (837, 861724), (844, 854577), (1021, 706428), (1116, 646293), (1266, 569718), (1674, 430862), (1899, 379812), (2042, 353214), (2532, 284859), (3063, 235476), (3348, 215431), (3798, 189906), (4084, 176607), (5697, 126604), (6126, 117738), (6541, 110268), (7596, 94953), (9189, 78492), (11394, 63302), (12252, 58869), (13082, 55134), (18378, 39246), (19623, 36756), (22788, 31651), (26164, 27567)]