81372536

素因数分解:

$2^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 187019280

約数和(自身を除く): 105646744

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 61, 82, 83, 98, 122, 164, 166, 196, 244, 287, 328, 332, 392, 427, 488, 574, 581, 664, 854, 1148, 1162, 1708, 2009, 2296, 2324, 2501, 2989, 3403, 3416, 4018, 4067, 4648, 5002, 5063, 5978, 6806, 8036, 8134, 10004, 10126, 11956, 13612, 16072, 16268, 17507, 20008, 20252, 23821, 23912, 27224, 32536, 35014, 35441, 40504, 47642, 70028, 70882, 95284, 122549, 140056, 141764, 166747, 190568, 207583, 245098, 248087, 283528, 333494, 415166, 490196, 496174, 666988, 830332, 980392, 992348, 1333976, 1453081, 1660664, 1984696, 2906162, 5812324, 10171567, 11624648, 20343134, 40686268, 81372536]

約数ペア:

[(1, 81372536), (2, 40686268), (4, 20343134), (7, 11624648), (8, 10171567), (14, 5812324), (28, 2906162), (41, 1984696), (49, 1660664), (56, 1453081), (61, 1333976), (82, 992348), (83, 980392), (98, 830332), (122, 666988), (164, 496174), (166, 490196), (196, 415166), (244, 333494), (287, 283528), (328, 248087), (332, 245098), (392, 207583), (427, 190568), (488, 166747), (574, 141764), (581, 140056), (664, 122549), (854, 95284), (1148, 70882), (1162, 70028), (1708, 47642), (2009, 40504), (2296, 35441), (2324, 35014), (2501, 32536), (2989, 27224), (3403, 23912), (3416, 23821), (4018, 20252), (4067, 20008), (4648, 17507), (5002, 16268), (5063, 16072), (5978, 13612), (6806, 11956), (8036, 10126), (8134, 10004)]