9872905

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 14307840

約数和(自身を除く): 4434935

約数列:

[1, 5, 7, 29, 35, 71, 137, 145, 203, 355, 497, 685, 959, 1015, 2059, 2485, 3973, 4795, 9727, 10295, 14413, 19865, 27811, 48635, 68089, 72065, 139055, 282083, 340445, 1410415, 1974581, 9872905]

約数ペア:

[(1, 9872905), (5, 1974581), (7, 1410415), (29, 340445), (35, 282083), (71, 139055), (137, 72065), (145, 68089), (203, 48635), (355, 27811), (497, 19865), (685, 14413), (959, 10295), (1015, 9727), (2059, 4795), (2485, 3973)]