1221682028

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1\times {\mathrm{653}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 2473584960

約数和(自身を除く): 1251902932

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 613, 653, 763, 1226, 1306, 1526, 2452, 2612, 3052, 4291, 4571, 8582, 9142, 17164, 18284, 66817, 71177, 133634, 142354, 267268, 284708, 400289, 467719, 498239, 800578, 935438, 996478, 1601156, 1870876, 1992956, 2802023, 5604046, 11208092, 43631501, 87263002, 174526004, 305420507, 610841014, 1221682028]

約数ペア:

[(1, 1221682028), (2, 610841014), (4, 305420507), (7, 174526004), (14, 87263002), (28, 43631501), (109, 11208092), (218, 5604046), (436, 2802023), (613, 1992956), (653, 1870876), (763, 1601156), (1226, 996478), (1306, 935438), (1526, 800578), (2452, 498239), (2612, 467719), (3052, 400289), (4291, 284708), (4571, 267268), (8582, 142354), (9142, 133634), (17164, 71177), (18284, 66817)]