68443990

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{39563}}^1$

素因数の和:39743

約数の個数: 16

約数和(自身を含む): 123914448

約数和(自身を除く): 55470458

約数列:

[1, 2, 5, 10, 173, 346, 865, 1730, 39563, 79126, 197815, 395630, 6844399, 13688798, 34221995, 68443990]

約数ペア:

[(1, 68443990), (2, 34221995), (5, 13688798), (10, 6844399), (173, 395630), (346, 197815), (865, 79126), (1730, 39563)]