290999418

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^2$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 611783424

約数和(自身を除く): 320784006

約数列:

[1, 2, 3, 6, 31, 62, 93, 97, 127, 186, 194, 254, 291, 381, 582, 762, 3007, 3937, 6014, 7874, 9021, 11811, 12319, 16129, 18042, 23622, 24638, 32258, 36957, 48387, 73914, 96774, 381889, 499999, 763778, 999998, 1145667, 1499997, 1564513, 2291334, 2999994, 3129026, 4693539, 9387078, 48499903, 96999806, 145499709, 290999418]

約数ペア:

[(1, 290999418), (2, 145499709), (3, 96999806), (6, 48499903), (31, 9387078), (62, 4693539), (93, 3129026), (97, 2999994), (127, 2291334), (186, 1564513), (194, 1499997), (254, 1145667), (291, 999998), (381, 763778), (582, 499999), (762, 381889), (3007, 96774), (3937, 73914), (6014, 48387), (7874, 36957), (9021, 32258), (11811, 24638), (12319, 23622), (16129, 18042)]