78885828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4409}}^1$

素因数の和:4497

約数の個数: 72

約数和(自身を含む): 231154560

約数和(自身を除く): 152268732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 252, 284, 426, 497, 639, 852, 994, 1278, 1491, 1988, 2556, 2982, 4409, 4473, 5964, 8818, 8946, 13227, 17636, 17892, 26454, 30863, 39681, 52908, 61726, 79362, 92589, 123452, 158724, 185178, 277767, 313039, 370356, 555534, 626078, 939117, 1111068, 1252156, 1878234, 2191273, 2817351, 3756468, 4382546, 5634702, 6573819, 8765092, 11269404, 13147638, 19721457, 26295276, 39442914, 78885828]

約数ペア:

[(1, 78885828), (2, 39442914), (3, 26295276), (4, 19721457), (6, 13147638), (7, 11269404), (9, 8765092), (12, 6573819), (14, 5634702), (18, 4382546), (21, 3756468), (28, 2817351), (36, 2191273), (42, 1878234), (63, 1252156), (71, 1111068), (84, 939117), (126, 626078), (142, 555534), (213, 370356), (252, 313039), (284, 277767), (426, 185178), (497, 158724), (639, 123452), (852, 92589), (994, 79362), (1278, 61726), (1491, 52908), (1988, 39681), (2556, 30863), (2982, 26454), (4409, 17892), (4473, 17636), (5964, 13227), (8818, 8946)]