278319664

素因数分解:

$2^4\times 7^1\times {\mathrm{401}}^1\times {\mathrm{6197}}^1$

素因数の和:6613

約数の個数: 40

約数和(自身を含む): 617915808

約数和(自身を除く): 339596144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 401, 802, 1604, 2807, 3208, 5614, 6197, 6416, 11228, 12394, 22456, 24788, 43379, 44912, 49576, 86758, 99152, 173516, 347032, 694064, 2484997, 4969994, 9939988, 17394979, 19879976, 34789958, 39759952, 69579916, 139159832, 278319664]

約数ペア:

[(1, 278319664), (2, 139159832), (4, 69579916), (7, 39759952), (8, 34789958), (14, 19879976), (16, 17394979), (28, 9939988), (56, 4969994), (112, 2484997), (401, 694064), (802, 347032), (1604, 173516), (2807, 99152), (3208, 86758), (5614, 49576), (6197, 44912), (6416, 43379), (11228, 24788), (12394, 22456)]