89864210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{12893}}^1$

素因数の和:12958

約数の個数: 32

約数和(自身を含む): 175461552

約数和(自身を除く): 85597342

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 12893, 25786, 64465, 128930, 219181, 438362, 528613, 1057226, 1095905, 2191810, 2643065, 5286130, 8986421, 17972842, 44932105, 89864210]

約数ペア:

[(1, 89864210), (2, 44932105), (5, 17972842), (10, 8986421), (17, 5286130), (34, 2643065), (41, 2191810), (82, 1095905), (85, 1057226), (170, 528613), (205, 438362), (410, 219181), (697, 128930), (1394, 64465), (3485, 25786), (6970, 12893)]