644405976

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{157019}}^1$

素因数の和:157053

約数の個数: 64

約数和(自身を含む): 1884240000

約数和(自身を除く): 1239834024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 157019, 314038, 471057, 628076, 942114, 1256152, 1413171, 1884228, 2826342, 2983361, 3768456, 4239513, 5652684, 5966722, 8479026, 8950083, 11305368, 11933444, 16958052, 17900166, 23866888, 26850249, 33916104, 35800332, 53700498, 71600664, 80550747, 107400996, 161101494, 214801992, 322202988, 644405976]

約数ペア:

[(1, 644405976), (2, 322202988), (3, 214801992), (4, 161101494), (6, 107400996), (8, 80550747), (9, 71600664), (12, 53700498), (18, 35800332), (19, 33916104), (24, 26850249), (27, 23866888), (36, 17900166), (38, 16958052), (54, 11933444), (57, 11305368), (72, 8950083), (76, 8479026), (108, 5966722), (114, 5652684), (152, 4239513), (171, 3768456), (216, 2983361), (228, 2826342), (342, 1884228), (456, 1413171), (513, 1256152), (684, 942114), (1026, 628076), (1368, 471057), (2052, 314038), (4104, 157019)]