215990648

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{2269}}^1$

素因数の和:2511

約数の個数: 32

約数和(自身を含む): 413230800

約数和(自身を除く): 197240152

約数列:

[1, 2, 4, 8, 73, 146, 163, 292, 326, 584, 652, 1304, 2269, 4538, 9076, 11899, 18152, 23798, 47596, 95192, 165637, 331274, 369847, 662548, 739694, 1325096, 1479388, 2958776, 26998831, 53997662, 107995324, 215990648]

約数ペア:

[(1, 215990648), (2, 107995324), (4, 53997662), (8, 26998831), (73, 2958776), (146, 1479388), (163, 1325096), (292, 739694), (326, 662548), (584, 369847), (652, 331274), (1304, 165637), (2269, 95192), (4538, 47596), (9076, 23798), (11899, 18152)]