208809664

素因数分解:

$2^6\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5237}}^1$

素因数の和:5345

約数の個数: 56

約数和(自身を含む): 478962720

約数和(自身を除く): 270153056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 178, 224, 356, 448, 623, 712, 1246, 1424, 2492, 2848, 4984, 5237, 5696, 9968, 10474, 19936, 20948, 36659, 39872, 41896, 73318, 83792, 146636, 167584, 293272, 335168, 466093, 586544, 932186, 1173088, 1864372, 2346176, 3262651, 3728744, 6525302, 7457488, 13050604, 14914976, 26101208, 29829952, 52202416, 104404832, 208809664]

約数ペア:

[(1, 208809664), (2, 104404832), (4, 52202416), (7, 29829952), (8, 26101208), (14, 14914976), (16, 13050604), (28, 7457488), (32, 6525302), (56, 3728744), (64, 3262651), (89, 2346176), (112, 1864372), (178, 1173088), (224, 932186), (356, 586544), (448, 466093), (623, 335168), (712, 293272), (1246, 167584), (1424, 146636), (2492, 83792), (2848, 73318), (4984, 41896), (5237, 39872), (5696, 36659), (9968, 20948), (10474, 19936)]