81658278

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11257}}^1$

素因数の和:11309

約数の個数: 48

約数和(自身を含む): 196699776

約数和(自身を除く): 115041498

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 3627, 7254, 11257, 22514, 33771, 67542, 101313, 146341, 202626, 292682, 348967, 439023, 697934, 878046, 1046901, 1317069, 2093802, 2634138, 3140703, 4536571, 6281406, 9073142, 13609713, 27219426, 40829139, 81658278]

約数ペア:

[(1, 81658278), (2, 40829139), (3, 27219426), (6, 13609713), (9, 9073142), (13, 6281406), (18, 4536571), (26, 3140703), (31, 2634138), (39, 2093802), (62, 1317069), (78, 1046901), (93, 878046), (117, 697934), (186, 439023), (234, 348967), (279, 292682), (403, 202626), (558, 146341), (806, 101313), (1209, 67542), (2418, 33771), (3627, 22514), (7254, 11257)]