1221465728

素因数分解:

$2^7\times 7^2\times {\mathrm{194749}}^1$

素因数の和:194777

約数の個数: 48

約数和(自身を含む): 2830691250

約数和(自身を除く): 1609225522

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 6272, 194749, 389498, 778996, 1363243, 1557992, 2726486, 3115984, 5452972, 6231968, 9542701, 10905944, 12463936, 19085402, 21811888, 24927872, 38170804, 43623776, 76341608, 87247552, 152683216, 174495104, 305366432, 610732864, 1221465728]

約数ペア:

[(1, 1221465728), (2, 610732864), (4, 305366432), (7, 174495104), (8, 152683216), (14, 87247552), (16, 76341608), (28, 43623776), (32, 38170804), (49, 24927872), (56, 21811888), (64, 19085402), (98, 12463936), (112, 10905944), (128, 9542701), (196, 6231968), (224, 5452972), (392, 3115984), (448, 2726486), (784, 1557992), (896, 1363243), (1568, 778996), (3136, 389498), (6272, 194749)]