1906366917

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2531}}^1$

素因数の和:2674

約数の個数: 64

約数和(自身を含む): 3266887680

約数和(自身を除く): 1360520763

約数列:

[1, 3, 7, 13, 21, 31, 39, 89, 91, 93, 217, 267, 273, 403, 623, 651, 1157, 1209, 1869, 2531, 2759, 2821, 3471, 7593, 8099, 8277, 8463, 17717, 19313, 24297, 32903, 35867, 53151, 57939, 78461, 98709, 107601, 225259, 230321, 235383, 251069, 549227, 675777, 690963, 753207, 1019993, 1576813, 1647681, 2928367, 3059979, 4730439, 6983029, 7139951, 8785101, 20498569, 20949087, 21419853, 48881203, 61495707, 90779377, 146643609, 272338131, 635455639, 1906366917]

約数ペア:

[(1, 1906366917), (3, 635455639), (7, 272338131), (13, 146643609), (21, 90779377), (31, 61495707), (39, 48881203), (89, 21419853), (91, 20949087), (93, 20498569), (217, 8785101), (267, 7139951), (273, 6983029), (403, 4730439), (623, 3059979), (651, 2928367), (1157, 1647681), (1209, 1576813), (1869, 1019993), (2531, 753207), (2759, 690963), (2821, 675777), (3471, 549227), (7593, 251069), (8099, 235383), (8277, 230321), (8463, 225259), (17717, 107601), (19313, 98709), (24297, 78461), (32903, 57939), (35867, 53151)]