256093201

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:4021

約数の個数: 32

約数和(自身を含む): 339591168

約数和(自身を除く): 83497967

約数列:

[1, 7, 13, 23, 31, 91, 161, 217, 299, 403, 713, 2093, 2821, 3947, 4991, 9269, 27629, 51311, 64883, 90781, 122357, 359177, 635467, 856499, 1180153, 1590641, 2814211, 8261071, 11134487, 19699477, 36584743, 256093201]

約数ペア:

[(1, 256093201), (7, 36584743), (13, 19699477), (23, 11134487), (31, 8261071), (91, 2814211), (161, 1590641), (217, 1180153), (299, 856499), (403, 635467), (713, 359177), (2093, 122357), (2821, 90781), (3947, 64883), (4991, 51311), (9269, 27629)]