128420584

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{32561}}^1$

素因数の和:32613

約数の個数: 32

約数和(自身を含む): 263752200

約数和(自身を除く): 135331616

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 493, 986, 1972, 3944, 32561, 65122, 130244, 260488, 553537, 944269, 1107074, 1888538, 2214148, 3777076, 4428296, 7554152, 16052573, 32105146, 64210292, 128420584]

約数ペア:

[(1, 128420584), (2, 64210292), (4, 32105146), (8, 16052573), (17, 7554152), (29, 4428296), (34, 3777076), (58, 2214148), (68, 1888538), (116, 1107074), (136, 944269), (232, 553537), (493, 260488), (986, 130244), (1972, 65122), (3944, 32561)]