201152905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 264297600

約数和(自身を除く): 63144695

約数列:

[1, 5, 19, 37, 89, 95, 185, 445, 643, 703, 1691, 3215, 3293, 3515, 8455, 12217, 16465, 23791, 57227, 61085, 62567, 118955, 286135, 312835, 452029, 1087313, 2117399, 2260145, 5436565, 10586995, 40230581, 201152905]

約数ペア:

[(1, 201152905), (5, 40230581), (19, 10586995), (37, 5436565), (89, 2260145), (95, 2117399), (185, 1087313), (445, 452029), (643, 312835), (703, 286135), (1691, 118955), (3215, 62567), (3293, 61085), (3515, 57227), (8455, 23791), (12217, 16465)]