777788128

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{43481}}^1$

素因数の和:43547

約数の個数: 48

約数和(自身を含む): 1687449456

約数和(自身を除く): 909661328

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1118, 1376, 2236, 4472, 8944, 17888, 43481, 86962, 173924, 347848, 565253, 695696, 1130506, 1391392, 1869683, 2261012, 3739366, 4522024, 7478732, 9044048, 14957464, 18088096, 24305879, 29914928, 48611758, 59829856, 97223516, 194447032, 388894064, 777788128]

約数ペア:

[(1, 777788128), (2, 388894064), (4, 194447032), (8, 97223516), (13, 59829856), (16, 48611758), (26, 29914928), (32, 24305879), (43, 18088096), (52, 14957464), (86, 9044048), (104, 7478732), (172, 4522024), (208, 3739366), (344, 2261012), (416, 1869683), (559, 1391392), (688, 1130506), (1118, 695696), (1376, 565253), (2236, 347848), (4472, 173924), (8944, 86962), (17888, 43481)]