68103328

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 137803680

約数和(自身を除く): 69700352

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 139, 244, 251, 278, 488, 502, 556, 976, 1004, 1112, 1952, 2008, 2224, 4016, 4448, 8032, 8479, 15311, 16958, 30622, 33916, 34889, 61244, 67832, 69778, 122488, 135664, 139556, 244976, 271328, 279112, 489952, 558224, 1116448, 2128229, 4256458, 8512916, 17025832, 34051664, 68103328]

約数ペア:

[(1, 68103328), (2, 34051664), (4, 17025832), (8, 8512916), (16, 4256458), (32, 2128229), (61, 1116448), (122, 558224), (139, 489952), (244, 279112), (251, 271328), (278, 244976), (488, 139556), (502, 135664), (556, 122488), (976, 69778), (1004, 67832), (1112, 61244), (1952, 34889), (2008, 33916), (2224, 30622), (4016, 16958), (4448, 15311), (8032, 8479)]