68178175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 97945120

約数和(自身を除く): 29766945

約数列:

[1, 5, 13, 19, 25, 61, 65, 95, 181, 247, 305, 325, 475, 793, 905, 1159, 1235, 1525, 2353, 3439, 3965, 4525, 5795, 6175, 11041, 11765, 15067, 17195, 19825, 28975, 44707, 55205, 58825, 75335, 85975, 143533, 209779, 223535, 276025, 376675, 717665, 1048895, 1117675, 2727127, 3588325, 5244475, 13635635, 68178175]

約数ペア:

[(1, 68178175), (5, 13635635), (13, 5244475), (19, 3588325), (25, 2727127), (61, 1117675), (65, 1048895), (95, 717665), (181, 376675), (247, 276025), (305, 223535), (325, 209779), (475, 143533), (793, 85975), (905, 75335), (1159, 58825), (1235, 55205), (1525, 44707), (2353, 28975), (3439, 19825), (3965, 17195), (4525, 15067), (5795, 11765), (6175, 11041)]