278319630812

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{1291}}^1\times {\mathrm{5113}}^1$

素因数の和:6618

約数の個数: 48

約数和(自身を含む): 497290924032

約数和(自身を除く): 218971293220

約数列:

[1, 2, 4, 83, 127, 166, 254, 332, 508, 1291, 2582, 5113, 5164, 10226, 10541, 20452, 21082, 42164, 107153, 163957, 214306, 327914, 424379, 428612, 649351, 655828, 848758, 1298702, 1697516, 2597404, 6600883, 13201766, 13608431, 26403532, 27216862, 53896133, 54433724, 107792266, 215584532, 547873289, 838312141, 1095746578, 1676624282, 2191493156, 3353248564, 69579907703, 139159815406, 278319630812]

約数ペア:

[(1, 278319630812), (2, 139159815406), (4, 69579907703), (83, 3353248564), (127, 2191493156), (166, 1676624282), (254, 1095746578), (332, 838312141), (508, 547873289), (1291, 215584532), (2582, 107792266), (5113, 54433724), (5164, 53896133), (10226, 27216862), (10541, 26403532), (20452, 13608431), (21082, 13201766), (42164, 6600883), (107153, 2597404), (163957, 1697516), (214306, 1298702), (327914, 848758), (424379, 655828), (428612, 649351)]