28151872

素因数分解:

$2^6\times 7^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:264

約数の個数: 84

約数和(自身を含む): 66714624

約数和(自身を除く): 38562752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 49, 56, 64, 94, 98, 112, 188, 191, 196, 224, 329, 376, 382, 392, 448, 658, 752, 764, 784, 1316, 1337, 1504, 1528, 1568, 2303, 2632, 2674, 3008, 3056, 3136, 4606, 5264, 5348, 6112, 8977, 9212, 9359, 10528, 10696, 12224, 17954, 18424, 18718, 21056, 21392, 35908, 36848, 37436, 42784, 62839, 71816, 73696, 74872, 85568, 125678, 143632, 147392, 149744, 251356, 287264, 299488, 439873, 502712, 574528, 598976, 879746, 1005424, 1759492, 2010848, 3518984, 4021696, 7037968, 14075936, 28151872]

約数ペア:

[(1, 28151872), (2, 14075936), (4, 7037968), (7, 4021696), (8, 3518984), (14, 2010848), (16, 1759492), (28, 1005424), (32, 879746), (47, 598976), (49, 574528), (56, 502712), (64, 439873), (94, 299488), (98, 287264), (112, 251356), (188, 149744), (191, 147392), (196, 143632), (224, 125678), (329, 85568), (376, 74872), (382, 73696), (392, 71816), (448, 62839), (658, 42784), (752, 37436), (764, 36848), (784, 35908), (1316, 21392), (1337, 21056), (1504, 18718), (1528, 18424), (1568, 17954), (2303, 12224), (2632, 10696), (2674, 10528), (3008, 9359), (3056, 9212), (3136, 8977), (4606, 6112), (5264, 5348)]