2021770156

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1\times {\mathrm{1489}}^1$

素因数の和:2254

約数の個数: 48

約数和(自身を含む): 4109253120

約数和(自身を除く): 2087482964

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 683, 994, 1366, 1489, 1988, 2732, 2978, 4781, 5956, 9562, 10423, 19124, 20846, 41692, 48493, 96986, 105719, 193972, 211438, 339451, 422876, 678902, 740033, 1016987, 1357804, 1480066, 2033974, 2960132, 4067948, 7118909, 14237818, 28475636, 72206077, 144412154, 288824308, 505442539, 1010885078, 2021770156]

約数ペア:

[(1, 2021770156), (2, 1010885078), (4, 505442539), (7, 288824308), (14, 144412154), (28, 72206077), (71, 28475636), (142, 14237818), (284, 7118909), (497, 4067948), (683, 2960132), (994, 2033974), (1366, 1480066), (1489, 1357804), (1988, 1016987), (2732, 740033), (2978, 678902), (4781, 422876), (5956, 339451), (9562, 211438), (10423, 193972), (19124, 105719), (20846, 96986), (41692, 48493)]