201052225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1489}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 272705760

約数和(自身を除く): 71653535

約数列:

[1, 5, 11, 25, 55, 275, 491, 1489, 2455, 5401, 7445, 12275, 16379, 27005, 37225, 81895, 135025, 409475, 731099, 3655495, 8042089, 18277475, 40210445, 201052225]

約数ペア:

[(1, 201052225), (5, 40210445), (11, 18277475), (25, 8042089), (55, 3655495), (275, 731099), (491, 409475), (1489, 135025), (2455, 81895), (5401, 37225), (7445, 27005), (12275, 16379)]