28987354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 49248000

約数和(自身を除く): 20260646

約数列:

[1, 2, 11, 22, 37, 74, 149, 239, 298, 407, 478, 814, 1639, 2629, 3278, 5258, 5513, 8843, 11026, 17686, 35611, 60643, 71222, 97273, 121286, 194546, 391721, 783442, 1317607, 2635214, 14493677, 28987354]

約数ペア:

[(1, 28987354), (2, 14493677), (11, 2635214), (22, 1317607), (37, 783442), (74, 391721), (149, 194546), (239, 121286), (298, 97273), (407, 71222), (478, 60643), (814, 35611), (1639, 17686), (2629, 11026), (3278, 8843), (5258, 5513)]