181909928

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 373248000

約数和(自身を除く): 191338072

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 149, 188, 191, 298, 376, 382, 596, 764, 799, 1192, 1528, 1598, 2533, 3196, 3247, 5066, 6392, 6494, 7003, 8977, 10132, 12988, 14006, 17954, 20264, 25976, 28012, 28459, 35908, 56024, 56918, 71816, 113836, 119051, 152609, 227672, 238102, 305218, 476204, 483803, 610436, 952408, 967606, 1220872, 1337573, 1935212, 2675146, 3870424, 5350292, 10700584, 22738741, 45477482, 90954964, 181909928]

約数ペア:

[(1, 181909928), (2, 90954964), (4, 45477482), (8, 22738741), (17, 10700584), (34, 5350292), (47, 3870424), (68, 2675146), (94, 1935212), (136, 1337573), (149, 1220872), (188, 967606), (191, 952408), (298, 610436), (376, 483803), (382, 476204), (596, 305218), (764, 238102), (799, 227672), (1192, 152609), (1528, 119051), (1598, 113836), (2533, 71816), (3196, 56918), (3247, 56024), (5066, 35908), (6392, 28459), (6494, 28012), (7003, 25976), (8977, 20264), (10132, 17954), (12988, 14006)]