401049664

素因数分解:

$2^6\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:671

約数の個数: 56

約数和(自身を含む): 811301400

約数和(自身を除く): 410251736

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 178, 181, 356, 362, 389, 712, 724, 778, 1424, 1448, 1556, 2848, 2896, 3112, 5696, 5792, 6224, 11584, 12448, 16109, 24896, 32218, 34621, 64436, 69242, 70409, 128872, 138484, 140818, 257744, 276968, 281636, 515488, 553936, 563272, 1030976, 1107872, 1126544, 2215744, 2253088, 4506176, 6266401, 12532802, 25065604, 50131208, 100262416, 200524832, 401049664]

約数ペア:

[(1, 401049664), (2, 200524832), (4, 100262416), (8, 50131208), (16, 25065604), (32, 12532802), (64, 6266401), (89, 4506176), (178, 2253088), (181, 2215744), (356, 1126544), (362, 1107872), (389, 1030976), (712, 563272), (724, 553936), (778, 515488), (1424, 281636), (1448, 276968), (1556, 257744), (2848, 140818), (2896, 138484), (3112, 128872), (5696, 70409), (5792, 69242), (6224, 64436), (11584, 34621), (12448, 32218), (16109, 24896)]