311915708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 599712960

約数和(自身を除く): 287797252

約数列:

[1, 2, 4, 13, 26, 52, 109, 113, 218, 226, 436, 452, 487, 974, 1417, 1469, 1948, 2834, 2938, 5668, 5876, 6331, 12317, 12662, 24634, 25324, 49268, 53083, 55031, 106166, 110062, 160121, 212332, 220124, 320242, 640484, 690079, 715403, 1380158, 1430806, 2760316, 2861612, 5998379, 11996758, 23993516, 77978927, 155957854, 311915708]

約数ペア:

[(1, 311915708), (2, 155957854), (4, 77978927), (13, 23993516), (26, 11996758), (52, 5998379), (109, 2861612), (113, 2760316), (218, 1430806), (226, 1380158), (436, 715403), (452, 690079), (487, 640484), (974, 320242), (1417, 220124), (1469, 212332), (1948, 160121), (2834, 110062), (2938, 106166), (5668, 55031), (5876, 53083), (6331, 49268), (12317, 25324), (12662, 24634)]