78565552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{971}}^1$

素因数の和:1381

約数の個数: 40

約数和(自身を含む): 164520720

約数和(自身を除く): 85955168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 389, 778, 971, 1556, 1942, 3112, 3884, 5057, 6224, 7768, 10114, 12623, 15536, 20228, 25246, 40456, 50492, 80912, 100984, 201968, 377719, 755438, 1510876, 3021752, 4910347, 6043504, 9820694, 19641388, 39282776, 78565552]

約数ペア:

[(1, 78565552), (2, 39282776), (4, 19641388), (8, 9820694), (13, 6043504), (16, 4910347), (26, 3021752), (52, 1510876), (104, 755438), (208, 377719), (389, 201968), (778, 100984), (971, 80912), (1556, 50492), (1942, 40456), (3112, 25246), (3884, 20228), (5057, 15536), (6224, 12623), (7768, 10114)]