128531988

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2129}}^1$

素因数の和:2198

約数の個数: 96

約数和(自身を含む): 367382400

約数和(自身を除く): 238850412

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 43, 52, 54, 78, 86, 108, 117, 129, 156, 172, 234, 258, 351, 387, 468, 516, 559, 702, 774, 1118, 1161, 1404, 1548, 1677, 2129, 2236, 2322, 3354, 4258, 4644, 5031, 6387, 6708, 8516, 10062, 12774, 15093, 19161, 20124, 25548, 27677, 30186, 38322, 55354, 57483, 60372, 76644, 83031, 91547, 110708, 114966, 166062, 183094, 229932, 249093, 274641, 332124, 366188, 498186, 549282, 747279, 823923, 996372, 1098564, 1190111, 1494558, 1647846, 2380222, 2471769, 2989116, 3295692, 3570333, 4760444, 4943538, 7140666, 9887076, 10710999, 14281332, 21421998, 32132997, 42843996, 64265994, 128531988]

約数ペア:

[(1, 128531988), (2, 64265994), (3, 42843996), (4, 32132997), (6, 21421998), (9, 14281332), (12, 10710999), (13, 9887076), (18, 7140666), (26, 4943538), (27, 4760444), (36, 3570333), (39, 3295692), (43, 2989116), (52, 2471769), (54, 2380222), (78, 1647846), (86, 1494558), (108, 1190111), (117, 1098564), (129, 996372), (156, 823923), (172, 747279), (234, 549282), (258, 498186), (351, 366188), (387, 332124), (468, 274641), (516, 249093), (559, 229932), (702, 183094), (774, 166062), (1118, 114966), (1161, 110708), (1404, 91547), (1548, 83031), (1677, 76644), (2129, 60372), (2236, 57483), (2322, 55354), (3354, 38322), (4258, 30186), (4644, 27677), (5031, 25548), (6387, 20124), (6708, 19161), (8516, 15093), (10062, 12774)]