289970044

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{359}}^1$

素因数の和:707

約数の個数: 72

約数和(自身を含む): 639485280

約数和(自身を除く): 349515236

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 317, 359, 364, 634, 637, 718, 1268, 1274, 1436, 2219, 2513, 2548, 4121, 4438, 4667, 5026, 8242, 8876, 9334, 10052, 15533, 16484, 17591, 18668, 28847, 31066, 32669, 35182, 57694, 62132, 65338, 70364, 113803, 115388, 130676, 201929, 227606, 228683, 403858, 455212, 457366, 796621, 807716, 914732, 1479439, 1593242, 2958878, 3186484, 5576347, 5917756, 10356073, 11152694, 20712146, 22305388, 41424292, 72492511, 144985022, 289970044]

約数ペア:

[(1, 289970044), (2, 144985022), (4, 72492511), (7, 41424292), (13, 22305388), (14, 20712146), (26, 11152694), (28, 10356073), (49, 5917756), (52, 5576347), (91, 3186484), (98, 2958878), (182, 1593242), (196, 1479439), (317, 914732), (359, 807716), (364, 796621), (634, 457366), (637, 455212), (718, 403858), (1268, 228683), (1274, 227606), (1436, 201929), (2219, 130676), (2513, 115388), (2548, 113803), (4121, 70364), (4438, 65338), (4667, 62132), (5026, 57694), (8242, 35182), (8876, 32669), (9334, 31066), (10052, 28847), (15533, 18668), (16484, 17591)]