28182605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 39312000

約数和(自身を除く): 11129395

約数列:

[1, 5, 11, 19, 55, 95, 149, 181, 209, 745, 905, 1045, 1639, 1991, 2831, 3439, 8195, 9955, 14155, 17195, 26969, 31141, 37829, 134845, 155705, 189145, 296659, 512411, 1483295, 2562055, 5636521, 28182605]

約数ペア:

[(1, 28182605), (5, 5636521), (11, 2562055), (19, 1483295), (55, 512411), (95, 296659), (149, 189145), (181, 155705), (209, 134845), (745, 37829), (905, 31141), (1045, 26969), (1639, 17195), (1991, 14155), (2831, 9955), (3439, 8195)]