278288316

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{7151}}^1$

素因数の和:7231

約数の個数: 72

約数和(自身を含む): 749758464

約数和(自身を除く): 471470148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 47, 69, 92, 94, 138, 141, 188, 207, 276, 282, 414, 423, 564, 828, 846, 1081, 1692, 2162, 3243, 4324, 6486, 7151, 9729, 12972, 14302, 19458, 21453, 28604, 38916, 42906, 64359, 85812, 128718, 164473, 257436, 328946, 336097, 493419, 657892, 672194, 986838, 1008291, 1344388, 1480257, 1973676, 2016582, 2960514, 3024873, 4033164, 5921028, 6049746, 7730231, 12099492, 15460462, 23190693, 30920924, 46381386, 69572079, 92762772, 139144158, 278288316]

約数ペア:

[(1, 278288316), (2, 139144158), (3, 92762772), (4, 69572079), (6, 46381386), (9, 30920924), (12, 23190693), (18, 15460462), (23, 12099492), (36, 7730231), (46, 6049746), (47, 5921028), (69, 4033164), (92, 3024873), (94, 2960514), (138, 2016582), (141, 1973676), (188, 1480257), (207, 1344388), (276, 1008291), (282, 986838), (414, 672194), (423, 657892), (564, 493419), (828, 336097), (846, 328946), (1081, 257436), (1692, 164473), (2162, 128718), (3243, 85812), (4324, 64359), (6486, 42906), (7151, 38916), (9729, 28604), (12972, 21453), (14302, 19458)]