647261216

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1721}}^1$

素因数の和:1834

約数の個数: 96

約数和(自身を含む): 1541369088

約数和(自身を除く): 894107872

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 73, 92, 112, 146, 161, 184, 224, 292, 322, 368, 511, 584, 644, 736, 1022, 1168, 1288, 1679, 1721, 2044, 2336, 2576, 3358, 3442, 4088, 5152, 6716, 6884, 8176, 11753, 12047, 13432, 13768, 16352, 23506, 24094, 26864, 27536, 39583, 47012, 48188, 53728, 55072, 79166, 94024, 96376, 125633, 158332, 188048, 192752, 251266, 277081, 316664, 376096, 385504, 502532, 554162, 633328, 879431, 1005064, 1108324, 1266656, 1758862, 2010128, 2216648, 2889559, 3517724, 4020256, 4433296, 5779118, 7035448, 8866592, 11558236, 14070896, 20226913, 23116472, 28141792, 40453826, 46232944, 80907652, 92465888, 161815304, 323630608, 647261216]

約数ペア:

[(1, 647261216), (2, 323630608), (4, 161815304), (7, 92465888), (8, 80907652), (14, 46232944), (16, 40453826), (23, 28141792), (28, 23116472), (32, 20226913), (46, 14070896), (56, 11558236), (73, 8866592), (92, 7035448), (112, 5779118), (146, 4433296), (161, 4020256), (184, 3517724), (224, 2889559), (292, 2216648), (322, 2010128), (368, 1758862), (511, 1266656), (584, 1108324), (644, 1005064), (736, 879431), (1022, 633328), (1168, 554162), (1288, 502532), (1679, 385504), (1721, 376096), (2044, 316664), (2336, 277081), (2576, 251266), (3358, 192752), (3442, 188048), (4088, 158332), (5152, 125633), (6716, 96376), (6884, 94024), (8176, 79166), (11753, 55072), (12047, 53728), (13432, 48188), (13768, 47012), (16352, 39583), (23506, 27536), (24094, 26864)]