204984784

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{743}}^1$

素因数の和:1195

約数の個数: 40

約数和(自身を含む): 407956032

約数和(自身を除く): 202971248

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 401, 688, 743, 802, 1486, 1604, 2972, 3208, 5944, 6416, 11888, 17243, 31949, 34486, 63898, 68972, 127796, 137944, 255592, 275888, 297943, 511184, 595886, 1191772, 2383544, 4767088, 12811549, 25623098, 51246196, 102492392, 204984784]

約数ペア:

[(1, 204984784), (2, 102492392), (4, 51246196), (8, 25623098), (16, 12811549), (43, 4767088), (86, 2383544), (172, 1191772), (344, 595886), (401, 511184), (688, 297943), (743, 275888), (802, 255592), (1486, 137944), (1604, 127796), (2972, 68972), (3208, 63898), (5944, 34486), (6416, 31949), (11888, 17243)]