289773365

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{4021}}^1$

素因数の和:4133

約数の個数: 32

約数和(自身を含む): 417000960

約数和(自身を除く): 127227595

約数列:

[1, 5, 7, 29, 35, 71, 145, 203, 355, 497, 1015, 2059, 2485, 4021, 10295, 14413, 20105, 28147, 72065, 116609, 140735, 285491, 583045, 816263, 1427455, 1998437, 4081315, 8279239, 9992185, 41396195, 57954673, 289773365]

約数ペア:

[(1, 289773365), (5, 57954673), (7, 41396195), (29, 9992185), (35, 8279239), (71, 4081315), (145, 1998437), (203, 1427455), (355, 816263), (497, 583045), (1015, 285491), (2059, 140735), (2485, 116609), (4021, 72065), (10295, 28147), (14413, 20105)]