258339172

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1913}}^1$

素因数の和:1997

約数の個数: 72

約数和(自身を含む): 577346616

約数和(自身を除く): 319007444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 53, 91, 98, 106, 182, 196, 212, 364, 371, 637, 689, 742, 1274, 1378, 1484, 1913, 2548, 2597, 2756, 3826, 4823, 5194, 7652, 9646, 10388, 13391, 19292, 24869, 26782, 33761, 49738, 53564, 67522, 93737, 99476, 101389, 135044, 174083, 187474, 202778, 348166, 374948, 405556, 696332, 709723, 1218581, 1318057, 1419446, 2437162, 2636114, 2838892, 4874324, 4968061, 5272228, 9226399, 9936122, 18452798, 19872244, 36905596, 64584793, 129169586, 258339172]

約数ペア:

[(1, 258339172), (2, 129169586), (4, 64584793), (7, 36905596), (13, 19872244), (14, 18452798), (26, 9936122), (28, 9226399), (49, 5272228), (52, 4968061), (53, 4874324), (91, 2838892), (98, 2636114), (106, 2437162), (182, 1419446), (196, 1318057), (212, 1218581), (364, 709723), (371, 696332), (637, 405556), (689, 374948), (742, 348166), (1274, 202778), (1378, 187474), (1484, 174083), (1913, 135044), (2548, 101389), (2597, 99476), (2756, 93737), (3826, 67522), (4823, 53564), (5194, 49738), (7652, 33761), (9646, 26782), (10388, 24869), (13391, 19292)]