28630784

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1229}}^1$

素因数の和:1265

約数の個数: 72

約数和(自身を含む): 70395360

約数和(自身を除く): 41764576

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1229, 1456, 1664, 1792, 2458, 2912, 3328, 4916, 5824, 8603, 9832, 11648, 15977, 17206, 19664, 23296, 31954, 34412, 39328, 63908, 68824, 78656, 111839, 127816, 137648, 157312, 223678, 255632, 275296, 314624, 447356, 511264, 550592, 894712, 1022528, 1101184, 1789424, 2045056, 2202368, 3578848, 4090112, 7157696, 14315392, 28630784]

約数ペア:

[(1, 28630784), (2, 14315392), (4, 7157696), (7, 4090112), (8, 3578848), (13, 2202368), (14, 2045056), (16, 1789424), (26, 1101184), (28, 1022528), (32, 894712), (52, 550592), (56, 511264), (64, 447356), (91, 314624), (104, 275296), (112, 255632), (128, 223678), (182, 157312), (208, 137648), (224, 127816), (256, 111839), (364, 78656), (416, 68824), (448, 63908), (728, 39328), (832, 34412), (896, 31954), (1229, 23296), (1456, 19664), (1664, 17206), (1792, 15977), (2458, 11648), (2912, 9832), (3328, 8603), (4916, 5824)]