1997765868

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{178819}}^1$

素因数の和:178859

約数の個数: 72

約数和(自身を含む): 5707934400

約数和(自身を除く): 3710168532

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, 178819, 357638, 536457, 715276, 1072914, 1251733, 2145828, 2503466, 3397561, 3755199, 5006932, 6795122, 7510398, 8762131, 10192683, 13590244, 15020796, 17524262, 20385366, 23782927, 26286393, 35048524, 40770732, 47565854, 52572786, 71348781, 95131708, 105145572, 142697562, 166480489, 285395124, 332960978, 499441467, 665921956, 998882934, 1997765868]

約数ペア:

[(1, 1997765868), (2, 998882934), (3, 665921956), (4, 499441467), (6, 332960978), (7, 285395124), (12, 166480489), (14, 142697562), (19, 105145572), (21, 95131708), (28, 71348781), (38, 52572786), (42, 47565854), (49, 40770732), (57, 35048524), (76, 26286393), (84, 23782927), (98, 20385366), (114, 17524262), (133, 15020796), (147, 13590244), (196, 10192683), (228, 8762131), (266, 7510398), (294, 6795122), (399, 5006932), (532, 3755199), (588, 3397561), (798, 2503466), (931, 2145828), (1596, 1251733), (1862, 1072914), (2793, 715276), (3724, 536457), (5586, 357638), (11172, 178819)]