1277883776

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9721}}^1$

素因数の和:9827

約数の個数: 64

約数和(自身を含む): 2776603200

約数和(自身を除く): 1498719424

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 128, 158, 208, 316, 416, 632, 832, 1027, 1264, 1664, 2054, 2528, 4108, 5056, 8216, 9721, 10112, 16432, 19442, 32864, 38884, 65728, 77768, 126373, 131456, 155536, 252746, 311072, 505492, 622144, 767959, 1010984, 1244288, 1535918, 2021968, 3071836, 4043936, 6143672, 8087872, 9983467, 12287344, 16175744, 19966934, 24574688, 39933868, 49149376, 79867736, 98298752, 159735472, 319470944, 638941888, 1277883776]

約数ペア:

[(1, 1277883776), (2, 638941888), (4, 319470944), (8, 159735472), (13, 98298752), (16, 79867736), (26, 49149376), (32, 39933868), (52, 24574688), (64, 19966934), (79, 16175744), (104, 12287344), (128, 9983467), (158, 8087872), (208, 6143672), (316, 4043936), (416, 3071836), (632, 2021968), (832, 1535918), (1027, 1244288), (1264, 1010984), (1664, 767959), (2054, 622144), (2528, 505492), (4108, 311072), (5056, 252746), (8216, 155536), (9721, 131456), (10112, 126373), (16432, 77768), (19442, 65728), (32864, 38884)]