778963172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{9721}}^1$

素因数の和:9828

約数の個数: 48

約数和(自身を含む): 1554897792

約数和(自身を除く): 775934620

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 67, 92, 134, 268, 299, 598, 871, 1196, 1541, 1742, 3082, 3484, 6164, 9721, 19442, 20033, 38884, 40066, 80132, 126373, 223583, 252746, 447166, 505492, 651307, 894332, 1302614, 2605228, 2906579, 5813158, 8466991, 11626316, 14980061, 16933982, 29960122, 33867964, 59920244, 194740793, 389481586, 778963172]

約数ペア:

[(1, 778963172), (2, 389481586), (4, 194740793), (13, 59920244), (23, 33867964), (26, 29960122), (46, 16933982), (52, 14980061), (67, 11626316), (92, 8466991), (134, 5813158), (268, 2906579), (299, 2605228), (598, 1302614), (871, 894332), (1196, 651307), (1541, 505492), (1742, 447166), (3082, 252746), (3484, 223583), (6164, 126373), (9721, 80132), (19442, 40066), (20033, 38884)]