398862145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{2423}}^1$

素因数の和:2553

約数の個数: 32

約数和(自身を含む): 542433024

約数和(自身を除く): 143570879

約数列:

[1, 5, 11, 41, 55, 73, 205, 365, 451, 803, 2255, 2423, 2993, 4015, 12115, 14965, 26653, 32923, 99343, 133265, 164615, 176879, 496715, 884395, 1092773, 1945669, 5463865, 7252039, 9728345, 36260195, 79772429, 398862145]

約数ペア:

[(1, 398862145), (5, 79772429), (11, 36260195), (41, 9728345), (55, 7252039), (73, 5463865), (205, 1945669), (365, 1092773), (451, 884395), (803, 496715), (2255, 176879), (2423, 164615), (2993, 133265), (4015, 99343), (12115, 32923), (14965, 26653)]