2153778478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{6737}}^1$

素因数の和:6984

約数の個数: 32

約数和(自身を含む): 3492979200

約数和(自身を除く): 1339200722

約数列:

[1, 2, 19, 38, 47, 94, 179, 358, 893, 1786, 3401, 6737, 6802, 8413, 13474, 16826, 128003, 159847, 256006, 316639, 319694, 633278, 1205923, 2411846, 6016141, 12032282, 22912537, 45825074, 56678381, 113356762, 1076889239, 2153778478]

約数ペア:

[(1, 2153778478), (2, 1076889239), (19, 113356762), (38, 56678381), (47, 45825074), (94, 22912537), (179, 12032282), (358, 6016141), (893, 2411846), (1786, 1205923), (3401, 633278), (6737, 319694), (6802, 316639), (8413, 256006), (13474, 159847), (16826, 128003)]