261999792

素因数分解:

$2^4\times 3^3\times {\mathrm{83}}^1\times {\mathrm{7307}}^1$

素因数の和:7407

約数の個数: 80

約数和(自身を含む): 761201280

約数和(自身を除く): 499201488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 83, 108, 144, 166, 216, 249, 332, 432, 498, 664, 747, 996, 1328, 1494, 1992, 2241, 2988, 3984, 4482, 5976, 7307, 8964, 11952, 14614, 17928, 21921, 29228, 35856, 43842, 58456, 65763, 87684, 116912, 131526, 175368, 197289, 263052, 350736, 394578, 526104, 606481, 789156, 1052208, 1212962, 1578312, 1819443, 2425924, 3156624, 3638886, 4851848, 5458329, 7277772, 9703696, 10916658, 14555544, 16374987, 21833316, 29111088, 32749974, 43666632, 65499948, 87333264, 130999896, 261999792]

約数ペア:

[(1, 261999792), (2, 130999896), (3, 87333264), (4, 65499948), (6, 43666632), (8, 32749974), (9, 29111088), (12, 21833316), (16, 16374987), (18, 14555544), (24, 10916658), (27, 9703696), (36, 7277772), (48, 5458329), (54, 4851848), (72, 3638886), (83, 3156624), (108, 2425924), (144, 1819443), (166, 1578312), (216, 1212962), (249, 1052208), (332, 789156), (432, 606481), (498, 526104), (664, 394578), (747, 350736), (996, 263052), (1328, 197289), (1494, 175368), (1992, 131526), (2241, 116912), (2988, 87684), (3984, 65763), (4482, 58456), (5976, 43842), (7307, 35856), (8964, 29228), (11952, 21921), (14614, 17928)]