249999344

素因数分解:

$2^4\times 7^1\times {\mathrm{1297}}^1\times {\mathrm{1721}}^1$

素因数の和:3033

約数の個数: 40

約数和(自身を含む): 554318688

約数和(自身を除く): 304319344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1297, 1721, 2594, 3442, 5188, 6884, 9079, 10376, 12047, 13768, 18158, 20752, 24094, 27536, 36316, 48188, 72632, 96376, 145264, 192752, 2232137, 4464274, 8928548, 15624959, 17857096, 31249918, 35714192, 62499836, 124999672, 249999344]

約数ペア:

[(1, 249999344), (2, 124999672), (4, 62499836), (7, 35714192), (8, 31249918), (14, 17857096), (16, 15624959), (28, 8928548), (56, 4464274), (112, 2232137), (1297, 192752), (1721, 145264), (2594, 96376), (3442, 72632), (5188, 48188), (6884, 36316), (9079, 27536), (10376, 24094), (12047, 20752), (13768, 18158)]