81629696

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 80

約数和(自身を含む): 174155520

約数和(自身を除く): 92525824

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 64, 74, 124, 128, 139, 148, 248, 256, 278, 296, 496, 512, 556, 592, 992, 1112, 1147, 1184, 1984, 2224, 2294, 2368, 3968, 4309, 4448, 4588, 4736, 5143, 7936, 8618, 8896, 9176, 9472, 10286, 15872, 17236, 17792, 18352, 18944, 20572, 34472, 35584, 36704, 41144, 68944, 71168, 73408, 82288, 137888, 146816, 159433, 164576, 275776, 293632, 318866, 329152, 551552, 587264, 637732, 658304, 1103104, 1275464, 1316608, 2206208, 2550928, 2633216, 5101856, 10203712, 20407424, 40814848, 81629696]

約数ペア:

[(1, 81629696), (2, 40814848), (4, 20407424), (8, 10203712), (16, 5101856), (31, 2633216), (32, 2550928), (37, 2206208), (62, 1316608), (64, 1275464), (74, 1103104), (124, 658304), (128, 637732), (139, 587264), (148, 551552), (248, 329152), (256, 318866), (278, 293632), (296, 275776), (496, 164576), (512, 159433), (556, 146816), (592, 137888), (992, 82288), (1112, 73408), (1147, 71168), (1184, 68944), (1984, 41144), (2224, 36704), (2294, 35584), (2368, 34472), (3968, 20572), (4309, 18944), (4448, 18352), (4588, 17792), (4736, 17236), (5143, 15872), (7936, 10286), (8618, 9472), (8896, 9176)]