331345924

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{12821}}^1$

素因数の和:12916

約数の個数: 48

約数和(自身を含む): 723776256

約数和(自身を除く): 392430332

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 923, 994, 1846, 1988, 3692, 6461, 12821, 12922, 25642, 25844, 51284, 89747, 166673, 179494, 333346, 358988, 666692, 910291, 1166711, 1820582, 2333422, 3641164, 4666844, 6372037, 11833783, 12744074, 23667566, 25488148, 47335132, 82836481, 165672962, 331345924]

約数ペア:

[(1, 331345924), (2, 165672962), (4, 82836481), (7, 47335132), (13, 25488148), (14, 23667566), (26, 12744074), (28, 11833783), (52, 6372037), (71, 4666844), (91, 3641164), (142, 2333422), (182, 1820582), (284, 1166711), (364, 910291), (497, 666692), (923, 358988), (994, 333346), (1846, 179494), (1988, 166673), (3692, 89747), (6461, 51284), (12821, 25844), (12922, 25642)]