643589264

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{601}}^1$

素因数の和:784

約数の個数: 80

約数和(自身を含む): 1375911936

約数和(自身を除く): 732322672

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 127, 136, 248, 254, 272, 496, 508, 527, 601, 1016, 1054, 1202, 2032, 2108, 2159, 2404, 3937, 4216, 4318, 4808, 7874, 8432, 8636, 9616, 10217, 15748, 17272, 18631, 20434, 31496, 34544, 37262, 40868, 62992, 66929, 74524, 76327, 81736, 133858, 149048, 152654, 163472, 267716, 298096, 305308, 316727, 535432, 610616, 633454, 1070864, 1221232, 1266908, 1297559, 2366137, 2533816, 2595118, 4732274, 5067632, 5190236, 9464548, 10380472, 18929096, 20760944, 37858192, 40224329, 80448658, 160897316, 321794632, 643589264]

約数ペア:

[(1, 643589264), (2, 321794632), (4, 160897316), (8, 80448658), (16, 40224329), (17, 37858192), (31, 20760944), (34, 18929096), (62, 10380472), (68, 9464548), (124, 5190236), (127, 5067632), (136, 4732274), (248, 2595118), (254, 2533816), (272, 2366137), (496, 1297559), (508, 1266908), (527, 1221232), (601, 1070864), (1016, 633454), (1054, 610616), (1202, 535432), (2032, 316727), (2108, 305308), (2159, 298096), (2404, 267716), (3937, 163472), (4216, 152654), (4318, 149048), (4808, 133858), (7874, 81736), (8432, 76327), (8636, 74524), (9616, 66929), (10217, 62992), (15748, 40868), (17272, 37262), (18631, 34544), (20434, 31496)]