64756624

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1543}}^1$

素因数の和:1655

約数の個数: 40

約数和(自身を含む): 130572992

約数和(自身を除く): 65816368

約数列:

[1, 2, 4, 8, 16, 43, 61, 86, 122, 172, 244, 344, 488, 688, 976, 1543, 2623, 3086, 5246, 6172, 10492, 12344, 20984, 24688, 41968, 66349, 94123, 132698, 188246, 265396, 376492, 530792, 752984, 1061584, 1505968, 4047289, 8094578, 16189156, 32378312, 64756624]

約数ペア:

[(1, 64756624), (2, 32378312), (4, 16189156), (8, 8094578), (16, 4047289), (43, 1505968), (61, 1061584), (86, 752984), (122, 530792), (172, 376492), (244, 265396), (344, 188246), (488, 132698), (688, 94123), (976, 66349), (1543, 41968), (2623, 24688), (3086, 20984), (5246, 12344), (6172, 10492)]