39971724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{997}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 100933728

約数和(自身を除く): 60962004

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 257, 514, 771, 997, 1028, 1542, 1994, 2991, 3084, 3341, 3988, 5982, 6682, 10023, 11964, 12961, 13364, 20046, 25922, 38883, 40092, 51844, 77766, 155532, 256229, 512458, 768687, 1024916, 1537374, 3074748, 3330977, 6661954, 9992931, 13323908, 19985862, 39971724]

約数ペア:

[(1, 39971724), (2, 19985862), (3, 13323908), (4, 9992931), (6, 6661954), (12, 3330977), (13, 3074748), (26, 1537374), (39, 1024916), (52, 768687), (78, 512458), (156, 256229), (257, 155532), (514, 77766), (771, 51844), (997, 40092), (1028, 38883), (1542, 25922), (1994, 20046), (2991, 13364), (3084, 12961), (3341, 11964), (3988, 10023), (5982, 6682)]