128487708

素因数分解:

$2^2\times 3^6\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:478

約数の個数: 84

約数和(自身を含む): 340622520

約数和(自身を除く): 212134812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 139, 162, 243, 278, 317, 324, 417, 486, 556, 634, 729, 834, 951, 972, 1251, 1268, 1458, 1668, 1902, 2502, 2853, 2916, 3753, 3804, 5004, 5706, 7506, 8559, 11259, 11412, 15012, 17118, 22518, 25677, 33777, 34236, 44063, 45036, 51354, 67554, 77031, 88126, 101331, 102708, 132189, 135108, 154062, 176252, 202662, 231093, 264378, 308124, 396567, 405324, 462186, 528756, 793134, 924372, 1189701, 1586268, 2379402, 3569103, 4758804, 7138206, 10707309, 14276412, 21414618, 32121927, 42829236, 64243854, 128487708]

約数ペア:

[(1, 128487708), (2, 64243854), (3, 42829236), (4, 32121927), (6, 21414618), (9, 14276412), (12, 10707309), (18, 7138206), (27, 4758804), (36, 3569103), (54, 2379402), (81, 1586268), (108, 1189701), (139, 924372), (162, 793134), (243, 528756), (278, 462186), (317, 405324), (324, 396567), (417, 308124), (486, 264378), (556, 231093), (634, 202662), (729, 176252), (834, 154062), (951, 135108), (972, 132189), (1251, 102708), (1268, 101331), (1458, 88126), (1668, 77031), (1902, 67554), (2502, 51354), (2853, 45036), (2916, 44063), (3753, 34236), (3804, 33777), (5004, 25677), (5706, 22518), (7506, 17118), (8559, 15012), (11259, 11412)]