99981890

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{57793}}^1$

素因数の和:57973

約数の個数: 16

約数和(自身を含む): 181010808

約数和(自身を除く): 81028918

約数列:

[1, 2, 5, 10, 173, 346, 865, 1730, 57793, 115586, 288965, 577930, 9998189, 19996378, 49990945, 99981890]

約数ペア:

[(1, 99981890), (2, 49990945), (5, 19996378), (10, 9998189), (173, 577930), (346, 288965), (865, 115586), (1730, 57793)]