2131167416

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{199}}^2$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 4742687160

約数和(自身を除く): 2611519744

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 199, 217, 248, 398, 434, 796, 868, 961, 1393, 1592, 1736, 1922, 2786, 3844, 5572, 6169, 6727, 7688, 11144, 12338, 13454, 24676, 26908, 39601, 43183, 49352, 53816, 79202, 86366, 158404, 172732, 191239, 277207, 316808, 345464, 382478, 554414, 764956, 1108828, 1227631, 1338673, 1529912, 2217656, 2455262, 2677346, 4910524, 5354692, 8593417, 9821048, 10709384, 17186834, 34373668, 38056561, 68747336, 76113122, 152226244, 266395927, 304452488, 532791854, 1065583708, 2131167416]

約数ペア:

[(1, 2131167416), (2, 1065583708), (4, 532791854), (7, 304452488), (8, 266395927), (14, 152226244), (28, 76113122), (31, 68747336), (56, 38056561), (62, 34373668), (124, 17186834), (199, 10709384), (217, 9821048), (248, 8593417), (398, 5354692), (434, 4910524), (796, 2677346), (868, 2455262), (961, 2217656), (1393, 1529912), (1592, 1338673), (1736, 1227631), (1922, 1108828), (2786, 764956), (3844, 554414), (5572, 382478), (6169, 345464), (6727, 316808), (7688, 277207), (11144, 191239), (12338, 172732), (13454, 158404), (24676, 86366), (26908, 79202), (39601, 53816), (43183, 49352)]