66418365

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 121927680

約数和(自身を除く): 55509315

約数列:

[1, 3, 5, 13, 15, 23, 39, 59, 65, 69, 115, 177, 195, 251, 295, 299, 345, 753, 767, 885, 897, 1255, 1357, 1495, 2301, 3263, 3765, 3835, 4071, 4485, 5773, 6785, 9789, 11505, 14809, 16315, 17319, 17641, 20355, 28865, 44427, 48945, 52923, 74045, 75049, 86595, 88205, 192517, 222135, 225147, 264615, 340607, 375245, 577551, 962585, 1021821, 1125735, 1703035, 2887755, 4427891, 5109105, 13283673, 22139455, 66418365]

約数ペア:

[(1, 66418365), (3, 22139455), (5, 13283673), (13, 5109105), (15, 4427891), (23, 2887755), (39, 1703035), (59, 1125735), (65, 1021821), (69, 962585), (115, 577551), (177, 375245), (195, 340607), (251, 264615), (295, 225147), (299, 222135), (345, 192517), (753, 88205), (767, 86595), (885, 75049), (897, 74045), (1255, 52923), (1357, 48945), (1495, 44427), (2301, 28865), (3263, 20355), (3765, 17641), (3835, 17319), (4071, 16315), (4485, 14809), (5773, 11505), (6785, 9789)]