81532566

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 180880128

約数和(自身を除く): 99347562

約数列:

[1, 2, 3, 6, 9, 18, 71, 131, 142, 213, 262, 393, 426, 487, 639, 786, 974, 1179, 1278, 1461, 2358, 2922, 4383, 8766, 9301, 18602, 27903, 34577, 55806, 63797, 69154, 83709, 103731, 127594, 167418, 191391, 207462, 311193, 382782, 574173, 622386, 1148346, 4529587, 9059174, 13588761, 27177522, 40766283, 81532566]

約数ペア:

[(1, 81532566), (2, 40766283), (3, 27177522), (6, 13588761), (9, 9059174), (18, 4529587), (71, 1148346), (131, 622386), (142, 574173), (213, 382782), (262, 311193), (393, 207462), (426, 191391), (487, 167418), (639, 127594), (786, 103731), (974, 83709), (1179, 69154), (1278, 63797), (1461, 55806), (2358, 34577), (2922, 27903), (4383, 18602), (8766, 9301)]