831978

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 2211840

約数和(自身を除く): 1379862

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 71, 93, 126, 142, 186, 189, 213, 217, 279, 378, 426, 434, 497, 558, 639, 651, 837, 994, 1278, 1302, 1491, 1674, 1917, 1953, 2201, 2982, 3834, 3906, 4402, 4473, 5859, 6603, 8946, 11718, 13206, 13419, 15407, 19809, 26838, 30814, 39618, 46221, 59427, 92442, 118854, 138663, 277326, 415989, 831978]

約数ペア:

[(1, 831978), (2, 415989), (3, 277326), (6, 138663), (7, 118854), (9, 92442), (14, 59427), (18, 46221), (21, 39618), (27, 30814), (31, 26838), (42, 19809), (54, 15407), (62, 13419), (63, 13206), (71, 11718), (93, 8946), (126, 6603), (142, 5859), (186, 4473), (189, 4402), (213, 3906), (217, 3834), (279, 2982), (378, 2201), (426, 1953), (434, 1917), (497, 1674), (558, 1491), (639, 1302), (651, 1278), (837, 994)]