81229232

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:414

約数の個数: 80

約数和(自身を含む): 188827200

約数和(自身を除く): 107597968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 89, 112, 116, 178, 203, 232, 281, 356, 406, 464, 562, 623, 712, 812, 1124, 1246, 1424, 1624, 1967, 2248, 2492, 2581, 3248, 3934, 4496, 4984, 5162, 7868, 8149, 9968, 10324, 15736, 16298, 18067, 20648, 25009, 31472, 32596, 36134, 41296, 50018, 57043, 65192, 72268, 100036, 114086, 130384, 144536, 175063, 200072, 228172, 289072, 350126, 400144, 456344, 700252, 725261, 912688, 1400504, 1450522, 2801008, 2901044, 5076827, 5802088, 10153654, 11604176, 20307308, 40614616, 81229232]

約数ペア:

[(1, 81229232), (2, 40614616), (4, 20307308), (7, 11604176), (8, 10153654), (14, 5802088), (16, 5076827), (28, 2901044), (29, 2801008), (56, 1450522), (58, 1400504), (89, 912688), (112, 725261), (116, 700252), (178, 456344), (203, 400144), (232, 350126), (281, 289072), (356, 228172), (406, 200072), (464, 175063), (562, 144536), (623, 130384), (712, 114086), (812, 100036), (1124, 72268), (1246, 65192), (1424, 57043), (1624, 50018), (1967, 41296), (2248, 36134), (2492, 32596), (2581, 31472), (3248, 25009), (3934, 20648), (4496, 18067), (4984, 16298), (5162, 15736), (7868, 10324), (8149, 9968)]