1281001432

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{997}}^1$

素因数の和:1208

約数の個数: 64

約数和(自身を含む): 2586816000

約数和(自身を除く): 1305814568

約数列:

[1, 2, 4, 8, 19, 38, 76, 79, 107, 152, 158, 214, 316, 428, 632, 856, 997, 1501, 1994, 2033, 3002, 3988, 4066, 6004, 7976, 8132, 8453, 12008, 16264, 16906, 18943, 33812, 37886, 67624, 75772, 78763, 106679, 151544, 157526, 160607, 213358, 315052, 321214, 426716, 630104, 642428, 853432, 1284856, 1496497, 2026901, 2992994, 4053802, 5985988, 8107604, 8427641, 11971976, 16215208, 16855282, 33710564, 67421128, 160125179, 320250358, 640500716, 1281001432]

約数ペア:

[(1, 1281001432), (2, 640500716), (4, 320250358), (8, 160125179), (19, 67421128), (38, 33710564), (76, 16855282), (79, 16215208), (107, 11971976), (152, 8427641), (158, 8107604), (214, 5985988), (316, 4053802), (428, 2992994), (632, 2026901), (856, 1496497), (997, 1284856), (1501, 853432), (1994, 642428), (2033, 630104), (3002, 426716), (3988, 321214), (4066, 315052), (6004, 213358), (7976, 160607), (8132, 157526), (8453, 151544), (12008, 106679), (16264, 78763), (16906, 75772), (18943, 67624), (33812, 37886)]