1285196416

素因数分解:

$2^7\times 7^1\times {\mathrm{727}}^1\times {\mathrm{1973}}^1$

素因数の和:2721

約数の個数: 64

約数和(自身を含む): 2931626880

約数和(自身を除く): 1646430464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 727, 896, 1454, 1973, 2908, 3946, 5089, 5816, 7892, 10178, 11632, 13811, 15784, 20356, 23264, 27622, 31568, 40712, 46528, 55244, 63136, 81424, 93056, 110488, 126272, 162848, 220976, 252544, 325696, 441952, 651392, 883904, 1434371, 1767808, 2868742, 5737484, 10040597, 11474968, 20081194, 22949936, 40162388, 45899872, 80324776, 91799744, 160649552, 183599488, 321299104, 642598208, 1285196416]

約数ペア:

[(1, 1285196416), (2, 642598208), (4, 321299104), (7, 183599488), (8, 160649552), (14, 91799744), (16, 80324776), (28, 45899872), (32, 40162388), (56, 22949936), (64, 20081194), (112, 11474968), (128, 10040597), (224, 5737484), (448, 2868742), (727, 1767808), (896, 1434371), (1454, 883904), (1973, 651392), (2908, 441952), (3946, 325696), (5089, 252544), (5816, 220976), (7892, 162848), (10178, 126272), (11632, 110488), (13811, 93056), (15784, 81424), (20356, 63136), (23264, 55244), (27622, 46528), (31568, 40712)]