1977939972

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^1\times {\mathrm{141971}}^1$

素因数の和:142030

約数の個数: 60

約数和(自身を含む): 5291012496

約数和(自身を除く): 3313072524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 258, 324, 387, 516, 774, 1161, 1548, 2322, 3483, 4644, 6966, 13932, 141971, 283942, 425913, 567884, 851826, 1277739, 1703652, 2555478, 3833217, 5110956, 6104753, 7666434, 11499651, 12209506, 15332868, 18314259, 22999302, 24419012, 36628518, 45998604, 54942777, 73257036, 109885554, 164828331, 219771108, 329656662, 494484993, 659313324, 988969986, 1977939972]

約数ペア:

[(1, 1977939972), (2, 988969986), (3, 659313324), (4, 494484993), (6, 329656662), (9, 219771108), (12, 164828331), (18, 109885554), (27, 73257036), (36, 54942777), (43, 45998604), (54, 36628518), (81, 24419012), (86, 22999302), (108, 18314259), (129, 15332868), (162, 12209506), (172, 11499651), (258, 7666434), (324, 6104753), (387, 5110956), (516, 3833217), (774, 2555478), (1161, 1703652), (1548, 1277739), (2322, 851826), (3483, 567884), (4644, 425913), (6966, 283942), (13932, 141971)]