1988167356

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{125231}}^1$

素因数の和:125261

約数の個数: 90

約数和(自身を含む): 6046075728

約数和(自身を除く): 4057908372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1764, 2268, 2646, 3969, 5292, 7938, 15876, 125231, 250462, 375693, 500924, 751386, 876617, 1127079, 1502772, 1753234, 2254158, 2629851, 3381237, 3506468, 4508316, 5259702, 6136319, 6762474, 7889553, 10143711, 10519404, 12272638, 13524948, 15779106, 18408957, 20287422, 23668659, 24545276, 31558212, 36817914, 40574844, 47337318, 55226871, 71005977, 73635828, 94674636, 110453742, 142011954, 165680613, 220907484, 284023908, 331361226, 497041839, 662722452, 994083678, 1988167356]

約数ペア:

[(1, 1988167356), (2, 994083678), (3, 662722452), (4, 497041839), (6, 331361226), (7, 284023908), (9, 220907484), (12, 165680613), (14, 142011954), (18, 110453742), (21, 94674636), (27, 73635828), (28, 71005977), (36, 55226871), (42, 47337318), (49, 40574844), (54, 36817914), (63, 31558212), (81, 24545276), (84, 23668659), (98, 20287422), (108, 18408957), (126, 15779106), (147, 13524948), (162, 12272638), (189, 10519404), (196, 10143711), (252, 7889553), (294, 6762474), (324, 6136319), (378, 5259702), (441, 4508316), (567, 3506468), (588, 3381237), (756, 2629851), (882, 2254158), (1134, 1753234), (1323, 1502772), (1764, 1127079), (2268, 876617), (2646, 751386), (3969, 500924), (5292, 375693), (7938, 250462), (15876, 125231)]