81770208

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65521}}^1$

素因数の和:65547

約数の個数: 48

約数和(自身を含む): 231161616

約数和(自身を除く): 149391408

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, 65521, 131042, 196563, 262084, 393126, 524168, 786252, 851773, 1048336, 1572504, 1703546, 2096672, 2555319, 3145008, 3407092, 5110638, 6290016, 6814184, 10221276, 13628368, 20442552, 27256736, 40885104, 81770208]

約数ペア:

[(1, 81770208), (2, 40885104), (3, 27256736), (4, 20442552), (6, 13628368), (8, 10221276), (12, 6814184), (13, 6290016), (16, 5110638), (24, 3407092), (26, 3145008), (32, 2555319), (39, 2096672), (48, 1703546), (52, 1572504), (78, 1048336), (96, 851773), (104, 786252), (156, 524168), (208, 393126), (312, 262084), (416, 196563), (624, 131042), (1248, 65521)]