220153171

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{911}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 280166400

約数和(自身を除く): 60013229

約数列:

[1, 7, 19, 23, 79, 133, 161, 437, 553, 911, 1501, 1817, 3059, 6377, 10507, 12719, 17309, 20953, 34523, 71969, 121163, 146671, 241661, 398107, 503783, 1367411, 1655287, 2786749, 9571877, 11587009, 31450453, 220153171]

約数ペア:

[(1, 220153171), (7, 31450453), (19, 11587009), (23, 9571877), (79, 2786749), (133, 1655287), (161, 1367411), (437, 503783), (553, 398107), (911, 241661), (1501, 146671), (1817, 121163), (3059, 71969), (6377, 34523), (10507, 20953), (12719, 17309)]