128009388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 354170880

約数和(自身を除く): 226161492

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 47, 51, 52, 68, 78, 79, 94, 102, 141, 156, 158, 169, 188, 204, 221, 237, 282, 316, 338, 442, 474, 507, 564, 611, 663, 676, 799, 884, 948, 1014, 1027, 1222, 1326, 1343, 1598, 1833, 2028, 2054, 2397, 2444, 2652, 2686, 2873, 3081, 3196, 3666, 3713, 4029, 4108, 4794, 5372, 5746, 6162, 7332, 7426, 7943, 8058, 8619, 9588, 10387, 11139, 11492, 12324, 13351, 14852, 15886, 16116, 17238, 17459, 20774, 22278, 23829, 26702, 31161, 31772, 34476, 34918, 40053, 41548, 44556, 47658, 48269, 52377, 53404, 62322, 63121, 69836, 80106, 95316, 96538, 104754, 124644, 126242, 135031, 144807, 160212, 189363, 193076, 209508, 226967, 252484, 270062, 289614, 378726, 405093, 453934, 540124, 579228, 627497, 680901, 757452, 810186, 820573, 907868, 1254994, 1361802, 1620372, 1641146, 1882491, 2461719, 2509988, 2723604, 3282292, 3764982, 4923438, 7529964, 9846876, 10667449, 21334898, 32002347, 42669796, 64004694, 128009388]

約数ペア:

[(1, 128009388), (2, 64004694), (3, 42669796), (4, 32002347), (6, 21334898), (12, 10667449), (13, 9846876), (17, 7529964), (26, 4923438), (34, 3764982), (39, 3282292), (47, 2723604), (51, 2509988), (52, 2461719), (68, 1882491), (78, 1641146), (79, 1620372), (94, 1361802), (102, 1254994), (141, 907868), (156, 820573), (158, 810186), (169, 757452), (188, 680901), (204, 627497), (221, 579228), (237, 540124), (282, 453934), (316, 405093), (338, 378726), (442, 289614), (474, 270062), (507, 252484), (564, 226967), (611, 209508), (663, 193076), (676, 189363), (799, 160212), (884, 144807), (948, 135031), (1014, 126242), (1027, 124644), (1222, 104754), (1326, 96538), (1343, 95316), (1598, 80106), (1833, 69836), (2028, 63121), (2054, 62322), (2397, 53404), (2444, 52377), (2652, 48269), (2686, 47658), (2873, 44556), (3081, 41548), (3196, 40053), (3666, 34918), (3713, 34476), (4029, 31772), (4108, 31161), (4794, 26702), (5372, 23829), (5746, 22278), (6162, 20774), (7332, 17459), (7426, 17238), (7943, 16116), (8058, 15886), (8619, 14852), (9588, 13351), (10387, 12324), (11139, 11492)]