161130906

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:364

約数の個数: 72

約数和(自身を含む): 373198644

約数和(自身を除く): 212067738

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 137, 171, 181, 274, 342, 361, 362, 411, 543, 722, 822, 1083, 1086, 1233, 1629, 2166, 2466, 2603, 3249, 3258, 3439, 5206, 6498, 6878, 7809, 10317, 15618, 20634, 23427, 24797, 30951, 46854, 49457, 49594, 61902, 65341, 74391, 98914, 130682, 148371, 148782, 196023, 223173, 296742, 392046, 445113, 446346, 471143, 588069, 890226, 942286, 1176138, 1413429, 2826858, 4240287, 8480574, 8951717, 17903434, 26855151, 53710302, 80565453, 161130906]

約数ペア:

[(1, 161130906), (2, 80565453), (3, 53710302), (6, 26855151), (9, 17903434), (18, 8951717), (19, 8480574), (38, 4240287), (57, 2826858), (114, 1413429), (137, 1176138), (171, 942286), (181, 890226), (274, 588069), (342, 471143), (361, 446346), (362, 445113), (411, 392046), (543, 296742), (722, 223173), (822, 196023), (1083, 148782), (1086, 148371), (1233, 130682), (1629, 98914), (2166, 74391), (2466, 65341), (2603, 61902), (3249, 49594), (3258, 49457), (3439, 46854), (5206, 30951), (6498, 24797), (6878, 23427), (7809, 20634), (10317, 15618)]