821104

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:137

約数の個数: 40

約数和(自身を含む): 1743440

約数和(自身を除く): 922336

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 73, 74, 76, 146, 148, 152, 292, 296, 304, 584, 592, 703, 1168, 1387, 1406, 2701, 2774, 2812, 5402, 5548, 5624, 10804, 11096, 11248, 21608, 22192, 43216, 51319, 102638, 205276, 410552, 821104]

約数ペア:

[(1, 821104), (2, 410552), (4, 205276), (8, 102638), (16, 51319), (19, 43216), (37, 22192), (38, 21608), (73, 11248), (74, 11096), (76, 10804), (146, 5624), (148, 5548), (152, 5402), (292, 2812), (296, 2774), (304, 2701), (584, 1406), (592, 1387), (703, 1168)]