257316948

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{601}}^1\times {\mathrm{1699}}^1$

素因数の和:2317

約数の個数: 72

約数和(自身を含む): 745035200

約数和(自身を除く): 487718252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 601, 1202, 1699, 1803, 2404, 3398, 3606, 4207, 5097, 5409, 6796, 7212, 8414, 10194, 10818, 11893, 12621, 15291, 16828, 20388, 21636, 23786, 25242, 30582, 35679, 37863, 47572, 50484, 61164, 71358, 75726, 107037, 142716, 151452, 214074, 428148, 1021099, 2042198, 3063297, 4084396, 6126594, 7147693, 9189891, 12253188, 14295386, 18379782, 21443079, 28590772, 36759564, 42886158, 64329237, 85772316, 128658474, 257316948]

約数ペア:

[(1, 257316948), (2, 128658474), (3, 85772316), (4, 64329237), (6, 42886158), (7, 36759564), (9, 28590772), (12, 21443079), (14, 18379782), (18, 14295386), (21, 12253188), (28, 9189891), (36, 7147693), (42, 6126594), (63, 4084396), (84, 3063297), (126, 2042198), (252, 1021099), (601, 428148), (1202, 214074), (1699, 151452), (1803, 142716), (2404, 107037), (3398, 75726), (3606, 71358), (4207, 61164), (5097, 50484), (5409, 47572), (6796, 37863), (7212, 35679), (8414, 30582), (10194, 25242), (10818, 23786), (11893, 21636), (12621, 20388), (15291, 16828)]