9990256.000000000

素因数分解:

$2^9\times {\mathrm{13}}^2\times {\mathrm{1481}}^1$

素因数の和:1525

約数の個数: 60

約数和(自身を含む): 277443738

約数和(自身を除く): 149295770

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 512, 676, 832, 1352, 1481, 1664, 2704, 2962, 3328, 5408, 5924, 6656, 10816, 11848, 19253, 21632, 23696, 38506, 43264, 47392, 77012, 86528, 94784, 154024, 189568, 250289, 308048, 379136, 500578, 616096, 758272, 1001156, 1232192, 2002312, 2464384, 4004624, 4928768, 8009248, 9857536, 16018496, 32036992, 64073984, 128147968]

約数ペア:

[(1, 128147968), (2, 64073984), (4, 32036992), (8, 16018496), (13, 9857536), (16, 8009248), (26, 4928768), (32, 4004624), (52, 2464384), (64, 2002312), (104, 1232192), (128, 1001156), (169, 758272), (208, 616096), (256, 500578), (338, 379136), (416, 308048), (512, 250289), (676, 189568), (832, 154024), (1352, 94784), (1481, 86528), (1664, 77012), (2704, 47392), (2962, 43264), (3328, 38506), (5408, 23696), (5924, 21632), (6656, 19253), (10816, 11848)]