81677778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{659}}^1$

素因数の和:911

約数の個数: 64

約数和(自身を含む): 202245120

約数和(自身を除く): 120567342

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 227, 273, 454, 546, 659, 681, 1318, 1362, 1589, 1977, 2951, 3178, 3954, 4613, 4767, 5902, 8567, 8853, 9226, 9534, 13839, 17134, 17706, 20657, 25701, 27678, 41314, 51402, 59969, 61971, 119938, 123942, 149593, 179907, 299186, 359814, 448779, 897558, 1047151, 1944709, 2094302, 3141453, 3889418, 5834127, 6282906, 11668254, 13612963, 27225926, 40838889, 81677778]

約数ペア:

[(1, 81677778), (2, 40838889), (3, 27225926), (6, 13612963), (7, 11668254), (13, 6282906), (14, 5834127), (21, 3889418), (26, 3141453), (39, 2094302), (42, 1944709), (78, 1047151), (91, 897558), (182, 448779), (227, 359814), (273, 299186), (454, 179907), (546, 149593), (659, 123942), (681, 119938), (1318, 61971), (1362, 59969), (1589, 51402), (1977, 41314), (2951, 27678), (3178, 25701), (3954, 20657), (4613, 17706), (4767, 17134), (5902, 13839), (8567, 9534), (8853, 9226)]