890491076

素因数分解:

$2^2\times {\mathrm{17}}^3\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 1674555120

約数和(自身を除く): 784064044

約数列:

[1, 2, 4, 17, 34, 68, 113, 226, 289, 401, 452, 578, 802, 1156, 1604, 1921, 3842, 4913, 6817, 7684, 9826, 13634, 19652, 27268, 32657, 45313, 65314, 90626, 115889, 130628, 181252, 231778, 463556, 555169, 770321, 1110338, 1540642, 1970113, 2220676, 3081284, 3940226, 7880452, 13095457, 26190914, 52381828, 222622769, 445245538, 890491076]

約数ペア:

[(1, 890491076), (2, 445245538), (4, 222622769), (17, 52381828), (34, 26190914), (68, 13095457), (113, 7880452), (226, 3940226), (289, 3081284), (401, 2220676), (452, 1970113), (578, 1540642), (802, 1110338), (1156, 770321), (1604, 555169), (1921, 463556), (3842, 231778), (4913, 181252), (6817, 130628), (7684, 115889), (9826, 90626), (13634, 65314), (19652, 45313), (27268, 32657)]