1256357584

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{101}}^1\times {\mathrm{809}}^1$

素因数の和:980

約数の個数: 60

約数和(自身を含む): 2543291460

約数和(自身を除く): 1286933876

約数列:

[1, 2, 4, 8, 16, 31, 62, 101, 124, 202, 248, 404, 496, 808, 809, 961, 1616, 1618, 1922, 3131, 3236, 3844, 6262, 6472, 7688, 12524, 12944, 15376, 25048, 25079, 50096, 50158, 81709, 97061, 100316, 163418, 194122, 200632, 326836, 388244, 401264, 653672, 776488, 777449, 1307344, 1552976, 1554898, 2532979, 3109796, 5065958, 6219592, 10131916, 12439184, 20263832, 40527664, 78522349, 157044698, 314089396, 628178792, 1256357584]

約数ペア:

[(1, 1256357584), (2, 628178792), (4, 314089396), (8, 157044698), (16, 78522349), (31, 40527664), (62, 20263832), (101, 12439184), (124, 10131916), (202, 6219592), (248, 5065958), (404, 3109796), (496, 2532979), (808, 1554898), (809, 1552976), (961, 1307344), (1616, 777449), (1618, 776488), (1922, 653672), (3131, 401264), (3236, 388244), (3844, 326836), (6262, 200632), (6472, 194122), (7688, 163418), (12524, 100316), (12944, 97061), (15376, 81709), (25048, 50158), (25079, 50096)]