28401786

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 72668160

約数和(自身を除く): 44266374

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 227, 331, 378, 454, 662, 681, 993, 1362, 1589, 1986, 2043, 2317, 2979, 3178, 4086, 4634, 4767, 5958, 6129, 6951, 8937, 9534, 12258, 13902, 14301, 17874, 20853, 28602, 41706, 42903, 62559, 75137, 85806, 125118, 150274, 225411, 450822, 525959, 676233, 1051918, 1352466, 1577877, 2028699, 3155754, 4057398, 4733631, 9467262, 14200893, 28401786]

約数ペア:

[(1, 28401786), (2, 14200893), (3, 9467262), (6, 4733631), (7, 4057398), (9, 3155754), (14, 2028699), (18, 1577877), (21, 1352466), (27, 1051918), (42, 676233), (54, 525959), (63, 450822), (126, 225411), (189, 150274), (227, 125118), (331, 85806), (378, 75137), (454, 62559), (662, 42903), (681, 41706), (993, 28602), (1362, 20853), (1589, 17874), (1986, 14301), (2043, 13902), (2317, 12258), (2979, 9534), (3178, 8937), (4086, 6951), (4634, 6129), (4767, 5958)]