16912910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 36578304

約数和(自身を除く): 19665394

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 71, 82, 83, 142, 166, 205, 287, 355, 410, 415, 497, 574, 581, 710, 830, 994, 1162, 1435, 2485, 2870, 2905, 2911, 3403, 4970, 5810, 5822, 5893, 6806, 11786, 14555, 17015, 20377, 23821, 29110, 29465, 34030, 40754, 41251, 47642, 58930, 82502, 101885, 119105, 203770, 206255, 238210, 241613, 412510, 483226, 1208065, 1691291, 2416130, 3382582, 8456455, 16912910]

約数ペア:

[(1, 16912910), (2, 8456455), (5, 3382582), (7, 2416130), (10, 1691291), (14, 1208065), (35, 483226), (41, 412510), (70, 241613), (71, 238210), (82, 206255), (83, 203770), (142, 119105), (166, 101885), (205, 82502), (287, 58930), (355, 47642), (410, 41251), (415, 40754), (497, 34030), (574, 29465), (581, 29110), (710, 23821), (830, 20377), (994, 17015), (1162, 14555), (1435, 11786), (2485, 6806), (2870, 5893), (2905, 5822), (2911, 5810), (3403, 4970)]