647092758

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{443}}^1$

素因数の和:829

約数の個数: 64

約数和(自身を含む): 1424408832

約数和(自身を除く): 777316074

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 183, 307, 366, 443, 614, 793, 886, 921, 1329, 1586, 1842, 2379, 2658, 3991, 4758, 5759, 7982, 11518, 11973, 17277, 18727, 23946, 27023, 34554, 37454, 54046, 56181, 81069, 112362, 136001, 162138, 243451, 272002, 351299, 408003, 486902, 702598, 730353, 816006, 1053897, 1460706, 1768013, 2107794, 3536026, 5304039, 8296061, 10608078, 16592122, 24888183, 49776366, 107848793, 215697586, 323546379, 647092758]

約数ペア:

[(1, 647092758), (2, 323546379), (3, 215697586), (6, 107848793), (13, 49776366), (26, 24888183), (39, 16592122), (61, 10608078), (78, 8296061), (122, 5304039), (183, 3536026), (307, 2107794), (366, 1768013), (443, 1460706), (614, 1053897), (793, 816006), (886, 730353), (921, 702598), (1329, 486902), (1586, 408003), (1842, 351299), (2379, 272002), (2658, 243451), (3991, 162138), (4758, 136001), (5759, 112362), (7982, 81069), (11518, 56181), (11973, 54046), (17277, 37454), (18727, 34554), (23946, 27023)]