821792

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:492

約数の個数: 24

約数和(自身を含む): 1648332

約数和(自身を除く): 826540

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 421, 488, 842, 976, 1684, 1952, 3368, 6736, 13472, 25681, 51362, 102724, 205448, 410896, 821792]

約数ペア:

[(1, 821792), (2, 410896), (4, 205448), (8, 102724), (16, 51362), (32, 25681), (61, 13472), (122, 6736), (244, 3368), (421, 1952), (488, 1684), (842, 976)]