278333306992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{155003}}^1$

素因数の和:155210

約数の個数: 80

約数和(自身を含む): 593336711520

約数和(自身を除く): 315003404528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 97, 104, 178, 194, 208, 356, 388, 712, 776, 1157, 1261, 1424, 1552, 2314, 2522, 4628, 5044, 8633, 9256, 10088, 17266, 18512, 20176, 34532, 69064, 112229, 138128, 155003, 224458, 310006, 448916, 620012, 897832, 1240024, 1795664, 2015039, 2480048, 4030078, 8060156, 13795267, 15035291, 16120312, 27590534, 30070582, 32240624, 55181068, 60141164, 110362136, 120282328, 179338471, 195458783, 220724272, 240564656, 358676942, 390917566, 717353884, 781835132, 1338140899, 1434707768, 1563670264, 2676281798, 2869415536, 3127340528, 5352563596, 10705127192, 17395831687, 21410254384, 34791663374, 69583326748, 139166653496, 278333306992]

約数ペア:

[(1, 278333306992), (2, 139166653496), (4, 69583326748), (8, 34791663374), (13, 21410254384), (16, 17395831687), (26, 10705127192), (52, 5352563596), (89, 3127340528), (97, 2869415536), (104, 2676281798), (178, 1563670264), (194, 1434707768), (208, 1338140899), (356, 781835132), (388, 717353884), (712, 390917566), (776, 358676942), (1157, 240564656), (1261, 220724272), (1424, 195458783), (1552, 179338471), (2314, 120282328), (2522, 110362136), (4628, 60141164), (5044, 55181068), (8633, 32240624), (9256, 30070582), (10088, 27590534), (17266, 16120312), (18512, 15035291), (20176, 13795267), (34532, 8060156), (69064, 4030078), (112229, 2480048), (138128, 2015039), (155003, 1795664), (224458, 1240024), (310006, 897832), (448916, 620012)]