291265668

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1583}}^1$

素因数の和:1881

約数の個数: 72

約数和(自身を含む): 778377600

約数和(自身を除く): 487111932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 269, 342, 538, 684, 807, 1076, 1583, 1614, 2421, 3166, 3228, 4749, 4842, 5111, 6332, 9498, 9684, 10222, 14247, 15333, 18996, 20444, 28494, 30077, 30666, 45999, 56988, 60154, 61332, 90231, 91998, 120308, 180462, 183996, 270693, 360924, 425827, 541386, 851654, 1082772, 1277481, 1703308, 2554962, 3832443, 5109924, 7664886, 8090713, 15329772, 16181426, 24272139, 32362852, 48544278, 72816417, 97088556, 145632834, 291265668]

約数ペア:

[(1, 291265668), (2, 145632834), (3, 97088556), (4, 72816417), (6, 48544278), (9, 32362852), (12, 24272139), (18, 16181426), (19, 15329772), (36, 8090713), (38, 7664886), (57, 5109924), (76, 3832443), (114, 2554962), (171, 1703308), (228, 1277481), (269, 1082772), (342, 851654), (538, 541386), (684, 425827), (807, 360924), (1076, 270693), (1583, 183996), (1614, 180462), (2421, 120308), (3166, 91998), (3228, 90231), (4749, 61332), (4842, 60154), (5111, 56988), (6332, 45999), (9498, 30666), (9684, 30077), (10222, 28494), (14247, 20444), (15333, 18996)]