389622415

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1280

約数の個数: 64

約数和(自身を含む): 620347392

約数和(自身を除く): 230724977

約数列:

[1, 5, 7, 13, 23, 31, 35, 65, 91, 115, 155, 161, 217, 299, 403, 455, 713, 805, 1085, 1201, 1495, 2015, 2093, 2821, 3565, 4991, 6005, 8407, 9269, 10465, 14105, 15613, 24955, 27623, 37231, 42035, 46345, 64883, 78065, 109291, 138115, 186155, 193361, 260617, 324415, 359099, 484003, 546455, 856313, 966805, 1303085, 1795495, 2420015, 2513693, 3388021, 4281565, 5994191, 11132069, 12568465, 16940105, 29970955, 55660345, 77924483, 389622415]

約数ペア:

[(1, 389622415), (5, 77924483), (7, 55660345), (13, 29970955), (23, 16940105), (31, 12568465), (35, 11132069), (65, 5994191), (91, 4281565), (115, 3388021), (155, 2513693), (161, 2420015), (217, 1795495), (299, 1303085), (403, 966805), (455, 856313), (713, 546455), (805, 484003), (1085, 359099), (1201, 324415), (1495, 260617), (2015, 193361), (2093, 186155), (2821, 138115), (3565, 109291), (4991, 78065), (6005, 64883), (8407, 46345), (9269, 42035), (10465, 37231), (14105, 27623), (15613, 24955)]