398410544

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{187223}}^1$

素因数の和:187257

約数の個数: 40

約数和(自身を含む): 928631040

約数和(自身を除く): 530220496

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 187223, 374446, 748892, 1310561, 1497784, 2621122, 2995568, 3557237, 5242244, 7114474, 10484488, 14228948, 20968976, 24900659, 28457896, 49801318, 56915792, 99602636, 199205272, 398410544]

約数ペア:

[(1, 398410544), (2, 199205272), (4, 99602636), (7, 56915792), (8, 49801318), (14, 28457896), (16, 24900659), (19, 20968976), (28, 14228948), (38, 10484488), (56, 7114474), (76, 5242244), (112, 3557237), (133, 2995568), (152, 2621122), (266, 1497784), (304, 1310561), (532, 748892), (1064, 374446), (2128, 187223)]