261789164

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:967

約数の個数: 72

約数和(自身を含む): 579156480

約数和(自身を除く): 317367316

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 127, 182, 196, 254, 364, 508, 637, 809, 889, 1274, 1618, 1651, 1778, 2548, 3236, 3302, 3556, 5663, 6223, 6604, 10517, 11326, 11557, 12446, 21034, 22652, 23114, 24892, 39641, 42068, 46228, 73619, 79282, 80899, 102743, 147238, 158564, 161798, 205486, 294476, 323596, 410972, 515333, 719201, 1030666, 1335659, 1438402, 2061332, 2671318, 2876804, 5034407, 5342636, 9349613, 10068814, 18699226, 20137628, 37398452, 65447291, 130894582, 261789164]

約数ペア:

[(1, 261789164), (2, 130894582), (4, 65447291), (7, 37398452), (13, 20137628), (14, 18699226), (26, 10068814), (28, 9349613), (49, 5342636), (52, 5034407), (91, 2876804), (98, 2671318), (127, 2061332), (182, 1438402), (196, 1335659), (254, 1030666), (364, 719201), (508, 515333), (637, 410972), (809, 323596), (889, 294476), (1274, 205486), (1618, 161798), (1651, 158564), (1778, 147238), (2548, 102743), (3236, 80899), (3302, 79282), (3556, 73619), (5663, 46228), (6223, 42068), (6604, 39641), (10517, 24892), (11326, 23114), (11557, 22652), (12446, 21034)]