31516331

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 9610069

約数列:

[1, 7, 11, 41, 67, 77, 149, 287, 451, 469, 737, 1043, 1639, 2747, 3157, 5159, 6109, 9983, 11473, 19229, 30217, 42763, 67199, 69881, 109813, 211519, 409303, 470393, 768691, 2865121, 4502333, 31516331]

約数ペア:

[(1, 31516331), (7, 4502333), (11, 2865121), (41, 768691), (67, 470393), (77, 409303), (149, 211519), (287, 109813), (451, 69881), (469, 67199), (737, 42763), (1043, 30217), (1639, 19229), (2747, 11473), (3157, 9983), (5159, 6109)]