128901636

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 358525440

約数和(自身を除く): 229623804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 37, 47, 58, 71, 74, 87, 94, 111, 116, 141, 142, 148, 174, 188, 213, 222, 261, 282, 284, 333, 348, 423, 426, 444, 522, 564, 639, 666, 846, 852, 1044, 1073, 1278, 1332, 1363, 1692, 1739, 2059, 2146, 2556, 2627, 2726, 3219, 3337, 3478, 4089, 4118, 4292, 5217, 5254, 5452, 6177, 6438, 6674, 6956, 7881, 8178, 8236, 9657, 10011, 10434, 10508, 12267, 12354, 12876, 13348, 15651, 15762, 16356, 18531, 19314, 20022, 20868, 23643, 24534, 24708, 30033, 31302, 31524, 37062, 38628, 40044, 47286, 49068, 50431, 60066, 62604, 74124, 76183, 94572, 96773, 100862, 120132, 123469, 151293, 152366, 193546, 201724, 228549, 246938, 290319, 302586, 304732, 370407, 387092, 453879, 457098, 493876, 580638, 605172, 685647, 740814, 870957, 907758, 914196, 1111221, 1161276, 1371294, 1481628, 1741914, 1815516, 2222442, 2742588, 3483828, 3580601, 4444884, 7161202, 10741803, 14322404, 21483606, 32225409, 42967212, 64450818, 128901636]

約数ペア:

[(1, 128901636), (2, 64450818), (3, 42967212), (4, 32225409), (6, 21483606), (9, 14322404), (12, 10741803), (18, 7161202), (29, 4444884), (36, 3580601), (37, 3483828), (47, 2742588), (58, 2222442), (71, 1815516), (74, 1741914), (87, 1481628), (94, 1371294), (111, 1161276), (116, 1111221), (141, 914196), (142, 907758), (148, 870957), (174, 740814), (188, 685647), (213, 605172), (222, 580638), (261, 493876), (282, 457098), (284, 453879), (333, 387092), (348, 370407), (423, 304732), (426, 302586), (444, 290319), (522, 246938), (564, 228549), (639, 201724), (666, 193546), (846, 152366), (852, 151293), (1044, 123469), (1073, 120132), (1278, 100862), (1332, 96773), (1363, 94572), (1692, 76183), (1739, 74124), (2059, 62604), (2146, 60066), (2556, 50431), (2627, 49068), (2726, 47286), (3219, 40044), (3337, 38628), (3478, 37062), (4089, 31524), (4118, 31302), (4292, 30033), (5217, 24708), (5254, 24534), (5452, 23643), (6177, 20868), (6438, 20022), (6674, 19314), (6956, 18531), (7881, 16356), (8178, 15762), (8236, 15651), (9657, 13348), (10011, 12876), (10434, 12354), (10508, 12267)]