9781486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1487}}^1$

素因数の和:1536

約数の個数: 32

約数和(自身を含む): 17998848

約数和(自身を除く): 8217362

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 143, 253, 286, 299, 506, 598, 1487, 2974, 3289, 6578, 16357, 19331, 32714, 34201, 38662, 68402, 212641, 376211, 425282, 444613, 752422, 889226, 4890743, 9781486]

約数ペア:

[(1, 9781486), (2, 4890743), (11, 889226), (13, 752422), (22, 444613), (23, 425282), (26, 376211), (46, 212641), (143, 68402), (253, 38662), (286, 34201), (299, 32714), (506, 19331), (598, 16357), (1487, 6578), (2974, 3289)]