128776172

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{557}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 269982720

約数和(自身を除く): 141206548

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 359, 557, 644, 718, 1114, 1436, 2228, 2513, 3899, 5026, 7798, 8257, 10052, 12811, 15596, 16514, 25622, 33028, 51244, 57799, 89677, 115598, 179354, 199963, 231196, 358708, 399926, 799852, 1399741, 2799482, 4599149, 5598964, 9198298, 18396596, 32194043, 64388086, 128776172]

約数ペア:

[(1, 128776172), (2, 64388086), (4, 32194043), (7, 18396596), (14, 9198298), (23, 5598964), (28, 4599149), (46, 2799482), (92, 1399741), (161, 799852), (322, 399926), (359, 358708), (557, 231196), (644, 199963), (718, 179354), (1114, 115598), (1436, 89677), (2228, 57799), (2513, 51244), (3899, 33028), (5026, 25622), (7798, 16514), (8257, 15596), (10052, 12811)]