28122812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 54327840

約数和(自身を除く): 26205028

約数列:

[1, 2, 4, 19, 37, 38, 73, 74, 76, 137, 146, 148, 274, 292, 548, 703, 1387, 1406, 2603, 2701, 2774, 2812, 5069, 5206, 5402, 5548, 10001, 10138, 10412, 10804, 20002, 20276, 40004, 51319, 96311, 102638, 190019, 192622, 205276, 370037, 380038, 385244, 740074, 760076, 1480148, 7030703, 14061406, 28122812]

約数ペア:

[(1, 28122812), (2, 14061406), (4, 7030703), (19, 1480148), (37, 760076), (38, 740074), (73, 385244), (74, 380038), (76, 370037), (137, 205276), (146, 192622), (148, 190019), (274, 102638), (292, 96311), (548, 51319), (703, 40004), (1387, 20276), (1406, 20002), (2603, 10804), (2701, 10412), (2774, 10138), (2812, 10001), (5069, 5548), (5206, 5402)]