391118344

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{20261}}^1$

素因数の和:20413

約数の個数: 32

約数和(自身を含む): 778060800

約数和(自身を除く): 386942456

約数列:

[1, 2, 4, 8, 19, 38, 76, 127, 152, 254, 508, 1016, 2413, 4826, 9652, 19304, 20261, 40522, 81044, 162088, 384959, 769918, 1539836, 2573147, 3079672, 5146294, 10292588, 20585176, 48889793, 97779586, 195559172, 391118344]

約数ペア:

[(1, 391118344), (2, 195559172), (4, 97779586), (8, 48889793), (19, 20585176), (38, 10292588), (76, 5146294), (127, 3079672), (152, 2573147), (254, 1539836), (508, 769918), (1016, 384959), (2413, 162088), (4826, 81044), (9652, 40522), (19304, 20261)]