221567395

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{9491}}^1$

素因数の和:9555

約数の個数: 32

約数和(自身を含む): 328043520

約数和(自身を除く): 106476125

約数列:

[1, 5, 7, 23, 29, 35, 115, 145, 161, 203, 667, 805, 1015, 3335, 4669, 9491, 23345, 47455, 66437, 218293, 275239, 332185, 1091465, 1376195, 1528051, 1926673, 6330497, 7640255, 9633365, 31652485, 44313479, 221567395]

約数ペア:

[(1, 221567395), (5, 44313479), (7, 31652485), (23, 9633365), (29, 7640255), (35, 6330497), (115, 1926673), (145, 1528051), (161, 1376195), (203, 1091465), (667, 332185), (805, 275239), (1015, 218293), (3335, 66437), (4669, 47455), (9491, 23345)]