161857304

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 355622400

約数和(自身を除く): 193765096

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 97, 166, 194, 332, 359, 388, 581, 664, 679, 718, 776, 1162, 1358, 1436, 2324, 2513, 2716, 2872, 4648, 5026, 5432, 8051, 10052, 16102, 20104, 29797, 32204, 34823, 56357, 59594, 64408, 69646, 112714, 119188, 139292, 208579, 225428, 238376, 243761, 278584, 417158, 450856, 487522, 834316, 975044, 1668632, 1950088, 2890309, 5780618, 11561236, 20232163, 23122472, 40464326, 80928652, 161857304]

約数ペア:

[(1, 161857304), (2, 80928652), (4, 40464326), (7, 23122472), (8, 20232163), (14, 11561236), (28, 5780618), (56, 2890309), (83, 1950088), (97, 1668632), (166, 975044), (194, 834316), (332, 487522), (359, 450856), (388, 417158), (581, 278584), (664, 243761), (679, 238376), (718, 225428), (776, 208579), (1162, 139292), (1358, 119188), (1436, 112714), (2324, 69646), (2513, 64408), (2716, 59594), (2872, 56357), (4648, 34823), (5026, 32204), (5432, 29797), (8051, 20104), (10052, 16102)]