655047078

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{20021}}^1$

素因数の和:20093

約数の個数: 64

約数和(自身を含む): 1614574080

約数和(自身を除く): 959527002

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 41, 42, 57, 82, 114, 123, 133, 246, 266, 287, 399, 574, 779, 798, 861, 1558, 1722, 2337, 4674, 5453, 10906, 16359, 20021, 32718, 40042, 60063, 120126, 140147, 280294, 380399, 420441, 760798, 820861, 840882, 1141197, 1641722, 2282394, 2462583, 2662793, 4925166, 5325586, 5746027, 7988379, 11492054, 15596359, 15976758, 17238081, 31192718, 34476162, 46789077, 93578154, 109174513, 218349026, 327523539, 655047078]

約数ペア:

[(1, 655047078), (2, 327523539), (3, 218349026), (6, 109174513), (7, 93578154), (14, 46789077), (19, 34476162), (21, 31192718), (38, 17238081), (41, 15976758), (42, 15596359), (57, 11492054), (82, 7988379), (114, 5746027), (123, 5325586), (133, 4925166), (246, 2662793), (266, 2462583), (287, 2282394), (399, 1641722), (574, 1141197), (779, 840882), (798, 820861), (861, 760798), (1558, 420441), (1722, 380399), (2337, 280294), (4674, 140147), (5453, 120126), (10906, 60063), (16359, 40042), (20021, 32718)]