817883392

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 1683601920

約数和(自身を除く): 865718528

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 191, 256, 344, 382, 389, 688, 764, 778, 1376, 1528, 1556, 2752, 3056, 3112, 5504, 6112, 6224, 8213, 11008, 12224, 12448, 16426, 16727, 24448, 24896, 32852, 33454, 48896, 49792, 65704, 66908, 74299, 99584, 131408, 133816, 148598, 262816, 267632, 297196, 525632, 535264, 594392, 1051264, 1070528, 1188784, 2102528, 2141056, 2377568, 3194857, 4282112, 4755136, 6389714, 9510272, 12779428, 19020544, 25558856, 51117712, 102235424, 204470848, 408941696, 817883392]

約数ペア:

[(1, 817883392), (2, 408941696), (4, 204470848), (8, 102235424), (16, 51117712), (32, 25558856), (43, 19020544), (64, 12779428), (86, 9510272), (128, 6389714), (172, 4755136), (191, 4282112), (256, 3194857), (344, 2377568), (382, 2141056), (389, 2102528), (688, 1188784), (764, 1070528), (778, 1051264), (1376, 594392), (1528, 535264), (1556, 525632), (2752, 297196), (3056, 267632), (3112, 262816), (5504, 148598), (6112, 133816), (6224, 131408), (8213, 99584), (11008, 74299), (12224, 66908), (12448, 65704), (16426, 49792), (16727, 48896), (24448, 33454), (24896, 32852)]