217978688

素因数分解:

$2^6\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:487

約数の個数: 56

約数和(自身を含む): 441655200

約数和(自身を除く): 223676512

約数列:

[1, 2, 4, 8, 16, 32, 64, 107, 139, 214, 229, 278, 428, 458, 556, 856, 916, 1112, 1712, 1832, 2224, 3424, 3664, 4448, 6848, 7328, 8896, 14656, 14873, 24503, 29746, 31831, 49006, 59492, 63662, 98012, 118984, 127324, 196024, 237968, 254648, 392048, 475936, 509296, 784096, 951872, 1018592, 1568192, 2037184, 3405917, 6811834, 13623668, 27247336, 54494672, 108989344, 217978688]

約数ペア:

[(1, 217978688), (2, 108989344), (4, 54494672), (8, 27247336), (16, 13623668), (32, 6811834), (64, 3405917), (107, 2037184), (139, 1568192), (214, 1018592), (229, 951872), (278, 784096), (428, 509296), (458, 475936), (556, 392048), (856, 254648), (916, 237968), (1112, 196024), (1712, 127324), (1832, 118984), (2224, 98012), (3424, 63662), (3664, 59492), (4448, 49006), (6848, 31831), (7328, 29746), (8896, 24503), (14656, 14873)]