81357012

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1034

約数の個数: 108

約数和(自身を含む): 238187040

約数和(自身を除く): 156830028

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 121, 132, 171, 198, 209, 228, 242, 342, 363, 396, 418, 484, 627, 684, 726, 836, 983, 1089, 1254, 1452, 1881, 1966, 2178, 2299, 2508, 2949, 3762, 3932, 4356, 4598, 5898, 6897, 7524, 8847, 9196, 10813, 11796, 13794, 17694, 18677, 20691, 21626, 27588, 32439, 35388, 37354, 41382, 43252, 56031, 64878, 74708, 82764, 97317, 112062, 118943, 129756, 168093, 194634, 205447, 224124, 237886, 336186, 356829, 389268, 410894, 475772, 616341, 672372, 713658, 821788, 1070487, 1232682, 1427316, 1849023, 2140974, 2259917, 2465364, 3698046, 4281948, 4519834, 6779751, 7396092, 9039668, 13559502, 20339253, 27119004, 40678506, 81357012]

約数ペア:

[(1, 81357012), (2, 40678506), (3, 27119004), (4, 20339253), (6, 13559502), (9, 9039668), (11, 7396092), (12, 6779751), (18, 4519834), (19, 4281948), (22, 3698046), (33, 2465364), (36, 2259917), (38, 2140974), (44, 1849023), (57, 1427316), (66, 1232682), (76, 1070487), (99, 821788), (114, 713658), (121, 672372), (132, 616341), (171, 475772), (198, 410894), (209, 389268), (228, 356829), (242, 336186), (342, 237886), (363, 224124), (396, 205447), (418, 194634), (484, 168093), (627, 129756), (684, 118943), (726, 112062), (836, 97317), (983, 82764), (1089, 74708), (1254, 64878), (1452, 56031), (1881, 43252), (1966, 41382), (2178, 37354), (2299, 35388), (2508, 32439), (2949, 27588), (3762, 21626), (3932, 20691), (4356, 18677), (4598, 17694), (5898, 13794), (6897, 11796), (7524, 10813), (8847, 9196)]