289506854

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 551214720

約数和(自身を除く): 261707866

約数列:

[1, 2, 7, 13, 14, 26, 61, 89, 91, 122, 178, 182, 293, 427, 586, 623, 793, 854, 1157, 1246, 1586, 2051, 2314, 3809, 4102, 5429, 5551, 7618, 8099, 10858, 11102, 16198, 17873, 26077, 26663, 35746, 38003, 52154, 53326, 70577, 76006, 125111, 141154, 182539, 232349, 250222, 339001, 365078, 464698, 494039, 678002, 988078, 1590697, 1626443, 2373007, 3181394, 3252886, 4746014, 11134879, 20679061, 22269758, 41358122, 144753427, 289506854]

約数ペア:

[(1, 289506854), (2, 144753427), (7, 41358122), (13, 22269758), (14, 20679061), (26, 11134879), (61, 4746014), (89, 3252886), (91, 3181394), (122, 2373007), (178, 1626443), (182, 1590697), (293, 988078), (427, 678002), (586, 494039), (623, 464698), (793, 365078), (854, 339001), (1157, 250222), (1246, 232349), (1586, 182539), (2051, 141154), (2314, 125111), (3809, 76006), (4102, 70577), (5429, 53326), (5551, 52154), (7618, 38003), (8099, 35746), (10858, 26663), (11102, 26077), (16198, 17873)]