31978422

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2729}}^1$

素因数の和:2778

約数の個数: 64

約数和(自身を含む): 83865600

約数和(自身を除く): 51887178

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 93, 126, 186, 189, 217, 279, 378, 434, 558, 651, 837, 1302, 1674, 1953, 2729, 3906, 5458, 5859, 8187, 11718, 16374, 19103, 24561, 38206, 49122, 57309, 73683, 84599, 114618, 147366, 169198, 171927, 253797, 343854, 507594, 515781, 592193, 761391, 1031562, 1184386, 1522782, 1776579, 2284173, 3553158, 4568346, 5329737, 10659474, 15989211, 31978422]

約数ペア:

[(1, 31978422), (2, 15989211), (3, 10659474), (6, 5329737), (7, 4568346), (9, 3553158), (14, 2284173), (18, 1776579), (21, 1522782), (27, 1184386), (31, 1031562), (42, 761391), (54, 592193), (62, 515781), (63, 507594), (93, 343854), (126, 253797), (186, 171927), (189, 169198), (217, 147366), (279, 114618), (378, 84599), (434, 73683), (558, 57309), (651, 49122), (837, 38206), (1302, 24561), (1674, 19103), (1953, 16374), (2729, 11718), (3906, 8187), (5458, 5859)]