778401312

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{623719}}^1$

素因数の和:623745

約数の個数: 48

約数和(自身を含む): 2200484160

約数和(自身を除く): 1422082848

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 623719, 1247438, 1871157, 2494876, 3742314, 4989752, 7484628, 8108347, 9979504, 14969256, 16216694, 19959008, 24325041, 29938512, 32433388, 48650082, 59877024, 64866776, 97300164, 129733552, 194600328, 259467104, 389200656, 778401312]

約数ペア:

[(1, 778401312), (2, 389200656), (3, 259467104), (4, 194600328), (6, 129733552), (8, 97300164), (12, 64866776), (13, 59877024), (16, 48650082), (24, 32433388), (26, 29938512), (32, 24325041), (39, 19959008), (48, 16216694), (52, 14969256), (78, 9979504), (96, 8108347), (104, 7484628), (156, 4989752), (208, 3742314), (312, 2494876), (416, 1871157), (624, 1247438), (1248, 623719)]