78672916

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{389}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 163537920

約数和(自身を除く): 84865004

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 233, 389, 434, 466, 778, 868, 932, 1556, 1631, 2723, 3262, 5446, 6524, 7223, 10892, 12059, 14446, 24118, 28892, 48236, 50561, 84413, 90637, 101122, 168826, 181274, 202244, 337652, 362548, 634459, 1268918, 2537836, 2809747, 5619494, 11238988, 19668229, 39336458, 78672916]

約数ペア:

[(1, 78672916), (2, 39336458), (4, 19668229), (7, 11238988), (14, 5619494), (28, 2809747), (31, 2537836), (62, 1268918), (124, 634459), (217, 362548), (233, 337652), (389, 202244), (434, 181274), (466, 168826), (778, 101122), (868, 90637), (932, 84413), (1556, 50561), (1631, 48236), (2723, 28892), (3262, 24118), (5446, 14446), (6524, 12059), (7223, 10892)]