208601216

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 429128280

約数和(自身を除く): 220527064

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 97, 106, 128, 194, 212, 317, 388, 424, 634, 776, 848, 1268, 1552, 1696, 2536, 3104, 3392, 5072, 5141, 6208, 6784, 10144, 10282, 12416, 16801, 20288, 20564, 30749, 33602, 40576, 41128, 61498, 67204, 82256, 122996, 134408, 164512, 245992, 268816, 329024, 491984, 537632, 658048, 983968, 1075264, 1629697, 1967936, 2150528, 3259394, 3935872, 6518788, 13037576, 26075152, 52150304, 104300608, 208601216]

約数ペア:

[(1, 208601216), (2, 104300608), (4, 52150304), (8, 26075152), (16, 13037576), (32, 6518788), (53, 3935872), (64, 3259394), (97, 2150528), (106, 1967936), (128, 1629697), (194, 1075264), (212, 983968), (317, 658048), (388, 537632), (424, 491984), (634, 329024), (776, 268816), (848, 245992), (1268, 164512), (1552, 134408), (1696, 122996), (2536, 82256), (3104, 67204), (3392, 61498), (5072, 41128), (5141, 40576), (6208, 33602), (6784, 30749), (10144, 20564), (10282, 20288), (12416, 16801)]