87122945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 135657984

約数和(自身を除く): 48535039

約数列:

[1, 5, 7, 13, 35, 43, 61, 65, 73, 91, 215, 301, 305, 365, 427, 455, 511, 559, 793, 949, 1505, 2135, 2555, 2623, 2795, 3139, 3913, 3965, 4453, 4745, 5551, 6643, 13115, 15695, 18361, 19565, 21973, 22265, 27755, 31171, 33215, 34099, 40807, 57889, 91805, 109865, 155855, 170495, 191479, 204035, 238693, 285649, 289445, 405223, 957395, 1193465, 1340353, 1428245, 2026115, 2489227, 6701765, 12446135, 17424589, 87122945]

約数ペア:

[(1, 87122945), (5, 17424589), (7, 12446135), (13, 6701765), (35, 2489227), (43, 2026115), (61, 1428245), (65, 1340353), (73, 1193465), (91, 957395), (215, 405223), (301, 289445), (305, 285649), (365, 238693), (427, 204035), (455, 191479), (511, 170495), (559, 155855), (793, 109865), (949, 91805), (1505, 57889), (2135, 40807), (2555, 34099), (2623, 33215), (2795, 31171), (3139, 27755), (3913, 22265), (3965, 21973), (4453, 19565), (4745, 18361), (5551, 15695), (6643, 13115)]