388885504

素因数分解:

$2^{10}\times 7^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:493

約数の個数: 88

約数和(自身を含む): 896094720

約数和(自身を除く): 507209216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 227, 239, 256, 448, 454, 478, 512, 896, 908, 956, 1024, 1589, 1673, 1792, 1816, 1912, 3178, 3346, 3584, 3632, 3824, 6356, 6692, 7168, 7264, 7648, 12712, 13384, 14528, 15296, 25424, 26768, 29056, 30592, 50848, 53536, 54253, 58112, 61184, 101696, 107072, 108506, 116224, 122368, 203392, 214144, 217012, 232448, 244736, 379771, 406784, 428288, 434024, 759542, 813568, 856576, 868048, 1519084, 1627136, 1713152, 1736096, 3038168, 3472192, 6076336, 6944384, 12152672, 13888768, 24305344, 27777536, 48610688, 55555072, 97221376, 194442752, 388885504]

約数ペア:

[(1, 388885504), (2, 194442752), (4, 97221376), (7, 55555072), (8, 48610688), (14, 27777536), (16, 24305344), (28, 13888768), (32, 12152672), (56, 6944384), (64, 6076336), (112, 3472192), (128, 3038168), (224, 1736096), (227, 1713152), (239, 1627136), (256, 1519084), (448, 868048), (454, 856576), (478, 813568), (512, 759542), (896, 434024), (908, 428288), (956, 406784), (1024, 379771), (1589, 244736), (1673, 232448), (1792, 217012), (1816, 214144), (1912, 203392), (3178, 122368), (3346, 116224), (3584, 108506), (3632, 107072), (3824, 101696), (6356, 61184), (6692, 58112), (7168, 54253), (7264, 53536), (7648, 50848), (12712, 30592), (13384, 29056), (14528, 26768), (15296, 25424)]