521566128

素因数分解:

$2^4\times 3^4\times {\mathrm{402443}}^1$

素因数の和:402463

約数の個数: 50

約数和(自身を含む): 1509567444

約数和(自身を除く): 988001316

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 402443, 804886, 1207329, 1609772, 2414658, 3219544, 3621987, 4829316, 6439088, 7243974, 9658632, 10865961, 14487948, 19317264, 21731922, 28975896, 32597883, 43463844, 57951792, 65195766, 86927688, 130391532, 173855376, 260783064, 521566128]

約数ペア:

[(1, 521566128), (2, 260783064), (3, 173855376), (4, 130391532), (6, 86927688), (8, 65195766), (9, 57951792), (12, 43463844), (16, 32597883), (18, 28975896), (24, 21731922), (27, 19317264), (36, 14487948), (48, 10865961), (54, 9658632), (72, 7243974), (81, 6439088), (108, 4829316), (144, 3621987), (162, 3219544), (216, 2414658), (324, 1609772), (432, 1207329), (648, 804886), (1296, 402443)]