81507804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:435

約数の個数: 96

約数和(自身を含む): 227168256

約数和(自身を除く): 145660452

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 113, 124, 186, 217, 226, 277, 339, 372, 434, 452, 554, 651, 678, 791, 831, 868, 1108, 1302, 1356, 1582, 1662, 1939, 2373, 2604, 3164, 3324, 3503, 3878, 4746, 5817, 7006, 7756, 8587, 9492, 10509, 11634, 14012, 17174, 21018, 23268, 24521, 25761, 31301, 34348, 42036, 49042, 51522, 60109, 62602, 73563, 93903, 98084, 103044, 120218, 125204, 147126, 180327, 187806, 219107, 240436, 294252, 360654, 375612, 438214, 657321, 721308, 876428, 970331, 1314642, 1940662, 2629284, 2910993, 3881324, 5821986, 6792317, 11643972, 13584634, 20376951, 27169268, 40753902, 81507804]

約数ペア:

[(1, 81507804), (2, 40753902), (3, 27169268), (4, 20376951), (6, 13584634), (7, 11643972), (12, 6792317), (14, 5821986), (21, 3881324), (28, 2910993), (31, 2629284), (42, 1940662), (62, 1314642), (84, 970331), (93, 876428), (113, 721308), (124, 657321), (186, 438214), (217, 375612), (226, 360654), (277, 294252), (339, 240436), (372, 219107), (434, 187806), (452, 180327), (554, 147126), (651, 125204), (678, 120218), (791, 103044), (831, 98084), (868, 93903), (1108, 73563), (1302, 62602), (1356, 60109), (1582, 51522), (1662, 49042), (1939, 42036), (2373, 34348), (2604, 31301), (3164, 25761), (3324, 24521), (3503, 23268), (3878, 21018), (4746, 17174), (5817, 14012), (7006, 11634), (7756, 10509), (8587, 9492)]