28745330

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{21943}}^1$

素因数の和:22081

約数の個数: 16

約数和(自身を含む): 52138944

約数和(自身を除く): 23393614

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 21943, 43886, 109715, 219430, 2874533, 5749066, 14372665, 28745330]

約数ペア:

[(1, 28745330), (2, 14372665), (5, 5749066), (10, 2874533), (131, 219430), (262, 109715), (655, 43886), (1310, 21943)]