81244156

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:731

約数の個数: 72

約数和(自身を含む): 180124560

約数和(自身を除く): 98880404

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 49, 68, 74, 98, 119, 148, 196, 238, 259, 476, 518, 629, 659, 833, 1036, 1258, 1318, 1666, 1813, 2516, 2636, 3332, 3626, 4403, 4613, 7252, 8806, 9226, 11203, 17612, 18452, 22406, 24383, 30821, 32291, 44812, 48766, 61642, 64582, 78421, 97532, 123284, 129164, 156842, 170681, 313684, 341362, 414511, 548947, 682724, 829022, 1097894, 1194767, 1658044, 2195788, 2389534, 2901577, 4779068, 5803154, 11606308, 20311039, 40622078, 81244156]

約数ペア:

[(1, 81244156), (2, 40622078), (4, 20311039), (7, 11606308), (14, 5803154), (17, 4779068), (28, 2901577), (34, 2389534), (37, 2195788), (49, 1658044), (68, 1194767), (74, 1097894), (98, 829022), (119, 682724), (148, 548947), (196, 414511), (238, 341362), (259, 313684), (476, 170681), (518, 156842), (629, 129164), (659, 123284), (833, 97532), (1036, 78421), (1258, 64582), (1318, 61642), (1666, 48766), (1813, 44812), (2516, 32291), (2636, 30821), (3332, 24383), (3626, 22406), (4403, 18452), (4613, 17612), (7252, 11203), (8806, 9226)]