201311365

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4021}}^1$

素因数の和:4093

約数の個数: 32

約数和(自身を含む): 278000640

約数和(自身を除く): 76689275

約数列:

[1, 5, 17, 19, 31, 85, 95, 155, 323, 527, 589, 1615, 2635, 2945, 4021, 10013, 20105, 50065, 68357, 76399, 124651, 341785, 381995, 623255, 1298783, 2119067, 2368369, 6493915, 10595335, 11841845, 40262273, 201311365]

約数ペア:

[(1, 201311365), (5, 40262273), (17, 11841845), (19, 10595335), (31, 6493915), (85, 2368369), (95, 2119067), (155, 1298783), (323, 623255), (527, 381995), (589, 341785), (1615, 124651), (2635, 76399), (2945, 68357), (4021, 50065), (10013, 20105)]