81522168

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 253478400

約数和(自身を除く): 171956232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 163, 168, 182, 229, 273, 312, 326, 364, 458, 489, 546, 652, 687, 728, 916, 978, 1092, 1141, 1304, 1374, 1603, 1832, 1956, 2119, 2184, 2282, 2748, 2977, 3206, 3423, 3912, 4238, 4564, 4809, 5496, 5954, 6357, 6412, 6846, 8476, 8931, 9128, 9618, 11908, 12714, 12824, 13692, 14833, 16952, 17862, 19236, 20839, 23816, 25428, 27384, 29666, 35724, 37327, 38472, 41678, 44499, 50856, 59332, 62517, 71448, 74654, 83356, 88998, 111981, 118664, 125034, 149308, 166712, 177996, 223962, 250068, 261289, 298616, 355992, 447924, 485251, 500136, 522578, 783867, 895848, 970502, 1045156, 1455753, 1567734, 1941004, 2090312, 2911506, 3135468, 3396757, 3882008, 5823012, 6270936, 6793514, 10190271, 11646024, 13587028, 20380542, 27174056, 40761084, 81522168]

約数ペア:

[(1, 81522168), (2, 40761084), (3, 27174056), (4, 20380542), (6, 13587028), (7, 11646024), (8, 10190271), (12, 6793514), (13, 6270936), (14, 5823012), (21, 3882008), (24, 3396757), (26, 3135468), (28, 2911506), (39, 2090312), (42, 1941004), (52, 1567734), (56, 1455753), (78, 1045156), (84, 970502), (91, 895848), (104, 783867), (156, 522578), (163, 500136), (168, 485251), (182, 447924), (229, 355992), (273, 298616), (312, 261289), (326, 250068), (364, 223962), (458, 177996), (489, 166712), (546, 149308), (652, 125034), (687, 118664), (728, 111981), (916, 88998), (978, 83356), (1092, 74654), (1141, 71448), (1304, 62517), (1374, 59332), (1603, 50856), (1832, 44499), (1956, 41678), (2119, 38472), (2184, 37327), (2282, 35724), (2748, 29666), (2977, 27384), (3206, 25428), (3423, 23816), (3912, 20839), (4238, 19236), (4564, 17862), (4809, 16952), (5496, 14833), (5954, 13692), (6357, 12824), (6412, 12714), (6846, 11908), (8476, 9618), (8931, 9128)]