221328296

素因数分解:

$2^3\times 7^3\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1127

約数の個数: 64

約数和(自身を含む): 490560000

約数和(自身を除く): 269231704

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 79, 98, 158, 196, 316, 343, 392, 553, 632, 686, 1021, 1106, 1372, 2042, 2212, 2744, 3871, 4084, 4424, 7147, 7742, 8168, 14294, 15484, 27097, 28588, 30968, 50029, 54194, 57176, 80659, 100058, 108388, 161318, 200116, 216776, 322636, 350203, 400232, 564613, 645272, 700406, 1129226, 1400812, 2258452, 2801624, 3952291, 4516904, 7904582, 15809164, 27666037, 31618328, 55332074, 110664148, 221328296]

約数ペア:

[(1, 221328296), (2, 110664148), (4, 55332074), (7, 31618328), (8, 27666037), (14, 15809164), (28, 7904582), (49, 4516904), (56, 3952291), (79, 2801624), (98, 2258452), (158, 1400812), (196, 1129226), (316, 700406), (343, 645272), (392, 564613), (553, 400232), (632, 350203), (686, 322636), (1021, 216776), (1106, 200116), (1372, 161318), (2042, 108388), (2212, 100058), (2744, 80659), (3871, 57176), (4084, 54194), (4424, 50029), (7147, 30968), (7742, 28588), (8168, 27097), (14294, 15484)]