13505870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 28982448

約数和(自身を除く): 15476578

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 430, 490, 602, 641, 1282, 1505, 2107, 3010, 3205, 4214, 4487, 6410, 8974, 10535, 21070, 22435, 27563, 31409, 44870, 55126, 62818, 137815, 157045, 192941, 275630, 314090, 385882, 964705, 1350587, 1929410, 2701174, 6752935, 13505870]

約数ペア:

[(1, 13505870), (2, 6752935), (5, 2701174), (7, 1929410), (10, 1350587), (14, 964705), (35, 385882), (43, 314090), (49, 275630), (70, 192941), (86, 157045), (98, 137815), (215, 62818), (245, 55126), (301, 44870), (430, 31409), (490, 27563), (602, 22435), (641, 21070), (1282, 10535), (1505, 8974), (2107, 6410), (3010, 4487), (3205, 4214)]