277940735

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 360676800

約数和(自身を除く): 82736065

約数列:

[1, 5, 17, 85, 109, 131, 229, 545, 655, 1145, 1853, 2227, 3893, 9265, 11135, 14279, 19465, 24961, 29999, 71395, 124805, 149995, 242743, 424337, 509983, 1213715, 2121685, 2549915, 3269891, 16349455, 55588147, 277940735]

約数ペア:

[(1, 277940735), (5, 55588147), (17, 16349455), (85, 3269891), (109, 2549915), (131, 2121685), (229, 1213715), (545, 509983), (655, 424337), (1145, 242743), (1853, 149995), (2227, 124805), (3893, 71395), (9265, 29999), (11135, 24961), (14279, 19465)]