311490108

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{6491}}^1$

素因数の和:6575

約数の個数: 72

約数和(自身を含む): 831806976

約数和(自身を除く): 520316868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 43, 62, 86, 93, 124, 129, 172, 186, 258, 279, 372, 387, 516, 558, 774, 1116, 1333, 1548, 2666, 3999, 5332, 6491, 7998, 11997, 12982, 15996, 19473, 23994, 25964, 38946, 47988, 58419, 77892, 116838, 201221, 233676, 279113, 402442, 558226, 603663, 804884, 837339, 1116452, 1207326, 1674678, 1810989, 2414652, 2512017, 3349356, 3621978, 5024034, 7243956, 8652503, 10048068, 17305006, 25957509, 34610012, 51915018, 77872527, 103830036, 155745054, 311490108]

約数ペア:

[(1, 311490108), (2, 155745054), (3, 103830036), (4, 77872527), (6, 51915018), (9, 34610012), (12, 25957509), (18, 17305006), (31, 10048068), (36, 8652503), (43, 7243956), (62, 5024034), (86, 3621978), (93, 3349356), (124, 2512017), (129, 2414652), (172, 1810989), (186, 1674678), (258, 1207326), (279, 1116452), (372, 837339), (387, 804884), (516, 603663), (558, 558226), (774, 402442), (1116, 279113), (1333, 233676), (1548, 201221), (2666, 116838), (3999, 77892), (5332, 58419), (6491, 47988), (7998, 38946), (11997, 25964), (12982, 23994), (15996, 19473)]