90397784

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{1399}}^1$

素因数の和:1643

約数の個数: 32

約数和(自身を含む): 174636000

約数和(自身を除く): 84238216

約数列:

[1, 2, 4, 8, 41, 82, 164, 197, 328, 394, 788, 1399, 1576, 2798, 5596, 8077, 11192, 16154, 32308, 57359, 64616, 114718, 229436, 275603, 458872, 551206, 1102412, 2204824, 11299723, 22599446, 45198892, 90397784]

約数ペア:

[(1, 90397784), (2, 45198892), (4, 22599446), (8, 11299723), (41, 2204824), (82, 1102412), (164, 551206), (197, 458872), (328, 275603), (394, 229436), (788, 114718), (1399, 64616), (1576, 57359), (2798, 32308), (5596, 16154), (8077, 11192)]