142896815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3847}}^1$

素因数の和:3911

約数の個数: 32

約数和(自身を含む): 199480320

約数和(自身を除く): 56583505

約数列:

[1, 5, 17, 19, 23, 85, 95, 115, 323, 391, 437, 1615, 1955, 2185, 3847, 7429, 19235, 37145, 65399, 73093, 88481, 326995, 365465, 442405, 1242581, 1504177, 1681139, 6212905, 7520885, 8405695, 28579363, 142896815]

約数ペア:

[(1, 142896815), (5, 28579363), (17, 8405695), (19, 7520885), (23, 6212905), (85, 1681139), (95, 1504177), (115, 1242581), (323, 442405), (391, 365465), (437, 326995), (1615, 88481), (1955, 73093), (2185, 65399), (3847, 37145), (7429, 19235)]