81778944

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8191}}^1$

素因数の和:8223

約数の個数: 72

約数和(自身を含む): 234422272

約数和(自身を除く): 152643328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 2496, 3328, 4992, 8191, 9984, 16382, 24573, 32764, 49146, 65528, 98292, 106483, 131056, 196584, 212966, 262112, 319449, 393168, 425932, 524224, 638898, 786336, 851864, 1048448, 1277796, 1572672, 1703728, 2096896, 2555592, 3145344, 3407456, 5111184, 6290688, 6814912, 10222368, 13629824, 20444736, 27259648, 40889472, 81778944]

約数ペア:

[(1, 81778944), (2, 40889472), (3, 27259648), (4, 20444736), (6, 13629824), (8, 10222368), (12, 6814912), (13, 6290688), (16, 5111184), (24, 3407456), (26, 3145344), (32, 2555592), (39, 2096896), (48, 1703728), (52, 1572672), (64, 1277796), (78, 1048448), (96, 851864), (104, 786336), (128, 638898), (156, 524224), (192, 425932), (208, 393168), (256, 319449), (312, 262112), (384, 212966), (416, 196584), (624, 131056), (768, 106483), (832, 98292), (1248, 65528), (1664, 49146), (2496, 32764), (3328, 24573), (4992, 16382), (8191, 9984)]