202158905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2447}}^1$

素因数の和:2537

約数の個数: 32

約数和(自身を含む): 276369408

約数和(自身を除く): 74210503

約数列:

[1, 5, 13, 31, 41, 65, 155, 205, 403, 533, 1271, 2015, 2447, 2665, 6355, 12235, 16523, 31811, 75857, 82615, 100327, 159055, 379285, 501635, 986141, 1304251, 3110137, 4930705, 6521255, 15550685, 40431781, 202158905]

約数ペア:

[(1, 202158905), (5, 40431781), (13, 15550685), (31, 6521255), (41, 4930705), (65, 3110137), (155, 1304251), (205, 986141), (403, 501635), (533, 379285), (1271, 159055), (2015, 100327), (2447, 82615), (2665, 75857), (6355, 31811), (12235, 16523)]