9780781630

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{77447}}^1$

素因数の和:77700

約数の個数: 32

約数和(自身を含む): 17949968064

約数和(自身を除く): 8169186434

約数列:

[1, 2, 5, 10, 73, 146, 173, 346, 365, 730, 865, 1730, 12629, 25258, 63145, 77447, 126290, 154894, 387235, 774470, 5653631, 11307262, 13398331, 26796662, 28268155, 56536310, 66991655, 133983310, 978078163, 1956156326, 4890390815, 9780781630]

約数ペア:

[(1, 9780781630), (2, 4890390815), (5, 1956156326), (10, 978078163), (73, 133983310), (146, 66991655), (173, 56536310), (346, 28268155), (365, 26796662), (730, 13398331), (865, 11307262), (1730, 5653631), (12629, 774470), (25258, 387235), (63145, 154894), (77447, 126290)]