347888944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:546

約数の個数: 80

約数和(自身を含む): 756173824

約数和(自身を除く): 408284880

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 163, 208, 248, 326, 331, 403, 496, 652, 662, 806, 1304, 1324, 1612, 2119, 2608, 2648, 3224, 4238, 4303, 5053, 5296, 6448, 8476, 8606, 10106, 10261, 16952, 17212, 20212, 20522, 33904, 34424, 40424, 41044, 53953, 65689, 68848, 80848, 82088, 107906, 131378, 133393, 164176, 215812, 262756, 266786, 431624, 525512, 533572, 701389, 863248, 1051024, 1067144, 1402778, 1672543, 2134288, 2805556, 3345086, 5611112, 6690172, 11222224, 13380344, 21743059, 26760688, 43486118, 86972236, 173944472, 347888944]

約数ペア:

[(1, 347888944), (2, 173944472), (4, 86972236), (8, 43486118), (13, 26760688), (16, 21743059), (26, 13380344), (31, 11222224), (52, 6690172), (62, 5611112), (104, 3345086), (124, 2805556), (163, 2134288), (208, 1672543), (248, 1402778), (326, 1067144), (331, 1051024), (403, 863248), (496, 701389), (652, 533572), (662, 525512), (806, 431624), (1304, 266786), (1324, 262756), (1612, 215812), (2119, 164176), (2608, 133393), (2648, 131378), (3224, 107906), (4238, 82088), (4303, 80848), (5053, 68848), (5296, 65689), (6448, 53953), (8476, 41044), (8606, 40424), (10106, 34424), (10261, 33904), (16952, 20522), (17212, 20212)]