885431312

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{353}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 1868213760

約数和(自身を除く): 982782448

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 223, 296, 304, 353, 446, 592, 703, 706, 892, 1406, 1412, 1784, 2812, 2824, 3568, 4237, 5624, 5648, 6707, 8251, 8474, 11248, 13061, 13414, 16502, 16948, 26122, 26828, 33004, 33896, 52244, 53656, 66008, 67792, 78719, 104488, 107312, 132016, 156769, 157438, 208976, 248159, 313538, 314876, 496318, 627076, 629752, 992636, 1254152, 1259504, 1495661, 1985272, 2508304, 2912603, 2991322, 3970544, 5825206, 5982644, 11650412, 11965288, 23300824, 23930576, 46601648, 55339457, 110678914, 221357828, 442715656, 885431312]

約数ペア:

[(1, 885431312), (2, 442715656), (4, 221357828), (8, 110678914), (16, 55339457), (19, 46601648), (37, 23930576), (38, 23300824), (74, 11965288), (76, 11650412), (148, 5982644), (152, 5825206), (223, 3970544), (296, 2991322), (304, 2912603), (353, 2508304), (446, 1985272), (592, 1495661), (703, 1259504), (706, 1254152), (892, 992636), (1406, 629752), (1412, 627076), (1784, 496318), (2812, 314876), (2824, 313538), (3568, 248159), (4237, 208976), (5624, 157438), (5648, 156769), (6707, 132016), (8251, 107312), (8474, 104488), (11248, 78719), (13061, 67792), (13414, 66008), (16502, 53656), (16948, 52244), (26122, 33896), (26828, 33004)]