71989172

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 135862272

約数和(自身を除く): 63873100

約数列:

[1, 2, 4, 23, 46, 71, 92, 103, 107, 142, 206, 214, 284, 412, 428, 1633, 2369, 2461, 3266, 4738, 4922, 6532, 7313, 7597, 9476, 9844, 11021, 14626, 15194, 22042, 29252, 30388, 44084, 168199, 174731, 253483, 336398, 349462, 506966, 672796, 698924, 782491, 1013932, 1564982, 3129964, 17997293, 35994586, 71989172]

約数ペア:

[(1, 71989172), (2, 35994586), (4, 17997293), (23, 3129964), (46, 1564982), (71, 1013932), (92, 782491), (103, 698924), (107, 672796), (142, 506966), (206, 349462), (214, 336398), (284, 253483), (412, 174731), (428, 168199), (1633, 44084), (2369, 30388), (2461, 29252), (3266, 22042), (4738, 15194), (4922, 14626), (6532, 11021), (7313, 9844), (7597, 9476)]