128516508

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1475

約数の個数: 72

約数和(自身を含む): 338113776

約数和(自身を除く): 209597268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 61, 86, 122, 129, 172, 183, 244, 258, 366, 387, 516, 549, 732, 774, 1098, 1361, 1548, 2196, 2623, 2722, 4083, 5246, 5444, 7869, 8166, 10492, 12249, 15738, 16332, 23607, 24498, 31476, 47214, 48996, 58523, 83021, 94428, 117046, 166042, 175569, 234092, 249063, 332084, 351138, 498126, 526707, 702276, 747189, 996252, 1053414, 1494378, 2106828, 2988756, 3569903, 7139806, 10709709, 14279612, 21419418, 32129127, 42838836, 64258254, 128516508]

約数ペア:

[(1, 128516508), (2, 64258254), (3, 42838836), (4, 32129127), (6, 21419418), (9, 14279612), (12, 10709709), (18, 7139806), (36, 3569903), (43, 2988756), (61, 2106828), (86, 1494378), (122, 1053414), (129, 996252), (172, 747189), (183, 702276), (244, 526707), (258, 498126), (366, 351138), (387, 332084), (516, 249063), (549, 234092), (732, 175569), (774, 166042), (1098, 117046), (1361, 94428), (1548, 83021), (2196, 58523), (2623, 48996), (2722, 47214), (4083, 31476), (5246, 24498), (5444, 23607), (7869, 16332), (8166, 15738), (10492, 12249)]