231856405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 312076800

約数和(自身を除く): 80220395

約数列:

[1, 5, 11, 47, 55, 235, 257, 349, 517, 1285, 1745, 2585, 2827, 3839, 12079, 14135, 16403, 19195, 60395, 82015, 89693, 132869, 180433, 448465, 664345, 902165, 986623, 4215571, 4933115, 21077855, 46371281, 231856405]

約数ペア:

[(1, 231856405), (5, 46371281), (11, 21077855), (47, 4933115), (55, 4215571), (235, 986623), (257, 902165), (349, 664345), (517, 448465), (1285, 180433), (1745, 132869), (2585, 89693), (2827, 82015), (3839, 60395), (12079, 19195), (14135, 16403)]