31272498

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 70761600

約数和(自身を除く): 39489102

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 139, 174, 261, 278, 417, 431, 522, 834, 862, 1251, 1293, 2502, 2586, 3879, 4031, 7758, 8062, 12093, 12499, 24186, 24998, 36279, 37497, 59909, 72558, 74994, 112491, 119818, 179727, 224982, 359454, 539181, 1078362, 1737361, 3474722, 5212083, 10424166, 15636249, 31272498]

約数ペア:

[(1, 31272498), (2, 15636249), (3, 10424166), (6, 5212083), (9, 3474722), (18, 1737361), (29, 1078362), (58, 539181), (87, 359454), (139, 224982), (174, 179727), (261, 119818), (278, 112491), (417, 74994), (431, 72558), (522, 59909), (834, 37497), (862, 36279), (1251, 24998), (1293, 24186), (2502, 12499), (2586, 12093), (3879, 8062), (4031, 7758)]