87143728

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1386

約数の個数: 80

約数和(自身を含む): 209827840

約数和(自身を除く): 122684112

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 266, 304, 434, 496, 532, 589, 868, 1064, 1178, 1321, 1736, 2128, 2356, 2642, 3472, 4123, 4712, 5284, 8246, 9247, 9424, 10568, 16492, 18494, 21136, 25099, 32984, 36988, 40951, 50198, 65968, 73976, 81902, 100396, 147952, 163804, 175693, 200792, 286657, 327608, 351386, 401584, 573314, 655216, 702772, 778069, 1146628, 1405544, 1556138, 2293256, 2811088, 3112276, 4586512, 5446483, 6224552, 10892966, 12449104, 21785932, 43571864, 87143728]

約数ペア:

[(1, 87143728), (2, 43571864), (4, 21785932), (7, 12449104), (8, 10892966), (14, 6224552), (16, 5446483), (19, 4586512), (28, 3112276), (31, 2811088), (38, 2293256), (56, 1556138), (62, 1405544), (76, 1146628), (112, 778069), (124, 702772), (133, 655216), (152, 573314), (217, 401584), (248, 351386), (266, 327608), (304, 286657), (434, 200792), (496, 175693), (532, 163804), (589, 147952), (868, 100396), (1064, 81902), (1178, 73976), (1321, 65968), (1736, 50198), (2128, 40951), (2356, 36988), (2642, 32984), (3472, 25099), (4123, 21136), (4712, 18494), (5284, 16492), (8246, 10568), (9247, 9424)]