81296982

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1321}}^1$

素因数の和:1605

約数の個数: 48

約数和(自身を含む): 190558368

約数和(自身を除く): 109261386

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 263, 526, 789, 1321, 1578, 2367, 2642, 3419, 3963, 4734, 6838, 7926, 10257, 11889, 17173, 20514, 23778, 30771, 34346, 51519, 61542, 103038, 154557, 309114, 347423, 694846, 1042269, 2084538, 3126807, 4516499, 6253614, 9032998, 13549497, 27098994, 40648491, 81296982]

約数ペア:

[(1, 81296982), (2, 40648491), (3, 27098994), (6, 13549497), (9, 9032998), (13, 6253614), (18, 4516499), (26, 3126807), (39, 2084538), (78, 1042269), (117, 694846), (234, 347423), (263, 309114), (526, 154557), (789, 103038), (1321, 61542), (1578, 51519), (2367, 34346), (2642, 30771), (3419, 23778), (3963, 20514), (4734, 17173), (6838, 11889), (7926, 10257)]