201968755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 265939200

約数和(自身を除く): 63970445

約数列:

[1, 5, 17, 37, 85, 149, 185, 431, 629, 745, 2155, 2533, 3145, 5513, 7327, 12665, 15947, 27565, 36635, 64219, 79735, 93721, 271099, 321095, 468605, 1091723, 1355495, 2376103, 5458615, 11880515, 40393751, 201968755]

約数ペア:

[(1, 201968755), (5, 40393751), (17, 11880515), (37, 5458615), (85, 2376103), (149, 1355495), (185, 1091723), (431, 468605), (629, 321095), (745, 271099), (2155, 93721), (2533, 79735), (3145, 64219), (5513, 36635), (7327, 27565), (12665, 15947)]