201561535

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 306561024

約数和(自身を除く): 104999489

約数列:

[1, 5, 7, 23, 31, 35, 41, 115, 155, 161, 197, 205, 217, 287, 713, 805, 943, 985, 1085, 1271, 1379, 1435, 3565, 4531, 4715, 4991, 6107, 6355, 6601, 6895, 8077, 8897, 22655, 24955, 29233, 30535, 31717, 33005, 40385, 42749, 44485, 56539, 140461, 146165, 158585, 185771, 204631, 213745, 250387, 282695, 702305, 928855, 983227, 1023155, 1251935, 1300397, 1752709, 4916135, 5758901, 6501985, 8763545, 28794505, 40312307, 201561535]

約数ペア:

[(1, 201561535), (5, 40312307), (7, 28794505), (23, 8763545), (31, 6501985), (35, 5758901), (41, 4916135), (115, 1752709), (155, 1300397), (161, 1251935), (197, 1023155), (205, 983227), (217, 928855), (287, 702305), (713, 282695), (805, 250387), (943, 213745), (985, 204631), (1085, 185771), (1271, 158585), (1379, 146165), (1435, 140461), (3565, 56539), (4531, 44485), (4715, 42749), (4991, 40385), (6107, 33005), (6355, 31717), (6601, 30535), (6895, 29233), (8077, 24955), (8897, 22655)]