281549648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 597818880

約数和(自身を除く): 316269232

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 71, 122, 136, 142, 239, 244, 272, 284, 478, 488, 568, 956, 976, 1037, 1136, 1207, 1912, 2074, 2414, 3824, 4063, 4148, 4331, 4828, 8126, 8296, 8662, 9656, 14579, 16252, 16592, 16969, 17324, 19312, 29158, 32504, 33938, 34648, 58316, 65008, 67876, 69296, 73627, 116632, 135752, 147254, 233264, 247843, 271504, 288473, 294508, 495686, 576946, 589016, 991372, 1035109, 1153892, 1178032, 1982744, 2070218, 2307784, 3965488, 4140436, 4615568, 8280872, 16561744, 17596853, 35193706, 70387412, 140774824, 281549648]

約数ペア:

[(1, 281549648), (2, 140774824), (4, 70387412), (8, 35193706), (16, 17596853), (17, 16561744), (34, 8280872), (61, 4615568), (68, 4140436), (71, 3965488), (122, 2307784), (136, 2070218), (142, 1982744), (239, 1178032), (244, 1153892), (272, 1035109), (284, 991372), (478, 589016), (488, 576946), (568, 495686), (956, 294508), (976, 288473), (1037, 271504), (1136, 247843), (1207, 233264), (1912, 147254), (2074, 135752), (2414, 116632), (3824, 73627), (4063, 69296), (4148, 67876), (4331, 65008), (4828, 58316), (8126, 34648), (8296, 33938), (8662, 32504), (9656, 29158), (14579, 19312), (16252, 17324), (16592, 16969)]