247657172

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{911}}^1$

素因数の和:1021

約数の個数: 72

約数和(自身を含む): 538554240

約数和(自身を除く): 290897068

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 73, 76, 98, 133, 146, 196, 266, 292, 511, 532, 911, 931, 1022, 1387, 1822, 1862, 2044, 2774, 3577, 3644, 3724, 5548, 6377, 7154, 9709, 12754, 14308, 17309, 19418, 25508, 34618, 38836, 44639, 66503, 67963, 69236, 89278, 121163, 133006, 135926, 178556, 242326, 266012, 271852, 465521, 484652, 848141, 931042, 1263557, 1696282, 1862084, 2527114, 3258647, 3392564, 5054228, 6517294, 8844899, 13034588, 17689798, 35379596, 61914293, 123828586, 247657172]

約数ペア:

[(1, 247657172), (2, 123828586), (4, 61914293), (7, 35379596), (14, 17689798), (19, 13034588), (28, 8844899), (38, 6517294), (49, 5054228), (73, 3392564), (76, 3258647), (98, 2527114), (133, 1862084), (146, 1696282), (196, 1263557), (266, 931042), (292, 848141), (511, 484652), (532, 465521), (911, 271852), (931, 266012), (1022, 242326), (1387, 178556), (1822, 135926), (1862, 133006), (2044, 121163), (2774, 89278), (3577, 69236), (3644, 67963), (3724, 66503), (5548, 44639), (6377, 38836), (7154, 34618), (9709, 25508), (12754, 19418), (14308, 17309)]