31576428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{619}}^1$

素因数の和:751

約数の個数: 72

約数和(自身を含む): 86886800

約数和(自身を除く): 55310372

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 109, 117, 156, 218, 234, 327, 436, 468, 619, 654, 981, 1238, 1308, 1417, 1857, 1962, 2476, 2834, 3714, 3924, 4251, 5571, 5668, 7428, 8047, 8502, 11142, 12753, 16094, 17004, 22284, 24141, 25506, 32188, 48282, 51012, 67471, 72423, 96564, 134942, 144846, 202413, 269884, 289692, 404826, 607239, 809652, 877123, 1214478, 1754246, 2428956, 2631369, 3508492, 5262738, 7894107, 10525476, 15788214, 31576428]

約数ペア:

[(1, 31576428), (2, 15788214), (3, 10525476), (4, 7894107), (6, 5262738), (9, 3508492), (12, 2631369), (13, 2428956), (18, 1754246), (26, 1214478), (36, 877123), (39, 809652), (52, 607239), (78, 404826), (109, 289692), (117, 269884), (156, 202413), (218, 144846), (234, 134942), (327, 96564), (436, 72423), (468, 67471), (619, 51012), (654, 48282), (981, 32188), (1238, 25506), (1308, 24141), (1417, 22284), (1857, 17004), (1962, 16094), (2476, 12753), (2834, 11142), (3714, 8502), (3924, 8047), (4251, 7428), (5571, 5668)]