668563995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{859}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 1203724800

約数和(自身を除く): 535160805

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 89, 159, 165, 265, 267, 445, 583, 795, 859, 979, 1335, 1749, 2577, 2915, 2937, 4295, 4717, 4895, 8745, 9449, 12885, 14151, 14685, 23585, 28347, 45527, 47245, 51887, 70755, 76451, 136581, 141735, 155661, 227635, 229353, 259435, 382255, 500797, 682905, 778305, 840961, 1146765, 1502391, 2503985, 2522883, 4051903, 4204805, 7511955, 12155709, 12614415, 20259515, 44570933, 60778545, 133712799, 222854665, 668563995]

約数ペア:

[(1, 668563995), (3, 222854665), (5, 133712799), (11, 60778545), (15, 44570933), (33, 20259515), (53, 12614415), (55, 12155709), (89, 7511955), (159, 4204805), (165, 4051903), (265, 2522883), (267, 2503985), (445, 1502391), (583, 1146765), (795, 840961), (859, 778305), (979, 682905), (1335, 500797), (1749, 382255), (2577, 259435), (2915, 229353), (2937, 227635), (4295, 155661), (4717, 141735), (4895, 136581), (8745, 76451), (9449, 70755), (12885, 51887), (14151, 47245), (14685, 45527), (23585, 28347)]