261771132

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23431}}^1$

素因数の和:23471

約数の個数: 72

約数和(自身を含む): 747949440

約数和(自身を除く): 486178308

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1862, 2793, 3724, 5586, 11172, 23431, 46862, 70293, 93724, 140586, 164017, 281172, 328034, 445189, 492051, 656068, 890378, 984102, 1148119, 1335567, 1780756, 1968204, 2296238, 2671134, 3116323, 3444357, 4592476, 5342268, 6232646, 6888714, 9348969, 12465292, 13777428, 18697938, 21814261, 37395876, 43628522, 65442783, 87257044, 130885566, 261771132]

約数ペア:

[(1, 261771132), (2, 130885566), (3, 87257044), (4, 65442783), (6, 43628522), (7, 37395876), (12, 21814261), (14, 18697938), (19, 13777428), (21, 12465292), (28, 9348969), (38, 6888714), (42, 6232646), (49, 5342268), (57, 4592476), (76, 3444357), (84, 3116323), (98, 2671134), (114, 2296238), (133, 1968204), (147, 1780756), (196, 1335567), (228, 1148119), (266, 984102), (294, 890378), (399, 656068), (532, 492051), (588, 445189), (798, 328034), (931, 281172), (1596, 164017), (1862, 140586), (2793, 93724), (3724, 70293), (5586, 46862), (11172, 23431)]