388680801985

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1861}}^1\times {\mathrm{44867}}^1$

素因数の和:46766

約数の個数: 48

約数和(自身を含む): 571442437440

約数和(自身を除く): 182761635455

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 1861, 4655, 9305, 13027, 35359, 44867, 65135, 91189, 176795, 224335, 247513, 314069, 455945, 852473, 1237565, 1570345, 1732591, 2198483, 4262365, 5967311, 8662955, 10992415, 29836555, 41771177, 83497487, 208855885, 417487435, 584482409, 1586452253, 2922412045, 4091376863, 7932261265, 11105165771, 20456884315, 55525828855, 77736160397, 388680801985]

約数ペア:

[(1, 388680801985), (5, 77736160397), (7, 55525828855), (19, 20456884315), (35, 11105165771), (49, 7932261265), (95, 4091376863), (133, 2922412045), (245, 1586452253), (665, 584482409), (931, 417487435), (1861, 208855885), (4655, 83497487), (9305, 41771177), (13027, 29836555), (35359, 10992415), (44867, 8662955), (65135, 5967311), (91189, 4262365), (176795, 2198483), (224335, 1732591), (247513, 1570345), (314069, 1237565), (455945, 852473)]