204162145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 280433664

約数和(自身を除く): 76271519

約数列:

[1, 5, 11, 23, 55, 115, 251, 253, 643, 1255, 1265, 2761, 3215, 5773, 7073, 13805, 14789, 28865, 35365, 63503, 73945, 161393, 162679, 317515, 806965, 813395, 1775323, 3712039, 8876615, 18560195, 40832429, 204162145]

約数ペア:

[(1, 204162145), (5, 40832429), (11, 18560195), (23, 8876615), (55, 3712039), (115, 1775323), (251, 813395), (253, 806965), (643, 317515), (1255, 162679), (1265, 161393), (2761, 73945), (3215, 63503), (5773, 35365), (7073, 28865), (13805, 14789)]