128768574

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 307334016

約数和(自身を除く): 178565442

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 43, 51, 66, 86, 102, 129, 157, 187, 258, 289, 314, 374, 471, 473, 561, 578, 731, 867, 942, 946, 1122, 1419, 1462, 1727, 1734, 2193, 2669, 2838, 3179, 3454, 4386, 5181, 5338, 6358, 6751, 8007, 8041, 9537, 10362, 12427, 13502, 16014, 16082, 19074, 20253, 24123, 24854, 29359, 37281, 40506, 45373, 48246, 58718, 74261, 74562, 88077, 90746, 114767, 136119, 136697, 148522, 176154, 222783, 229534, 272238, 273394, 344301, 410091, 445566, 499103, 688602, 820182, 998206, 1262437, 1497309, 1951039, 2524874, 2994618, 3787311, 3902078, 5853117, 7574622, 11706234, 21461429, 42922858, 64384287, 128768574]

約数ペア:

[(1, 128768574), (2, 64384287), (3, 42922858), (6, 21461429), (11, 11706234), (17, 7574622), (22, 5853117), (33, 3902078), (34, 3787311), (43, 2994618), (51, 2524874), (66, 1951039), (86, 1497309), (102, 1262437), (129, 998206), (157, 820182), (187, 688602), (258, 499103), (289, 445566), (314, 410091), (374, 344301), (471, 273394), (473, 272238), (561, 229534), (578, 222783), (731, 176154), (867, 148522), (942, 136697), (946, 136119), (1122, 114767), (1419, 90746), (1462, 88077), (1727, 74562), (1734, 74261), (2193, 58718), (2669, 48246), (2838, 45373), (3179, 40506), (3454, 37281), (4386, 29359), (5181, 24854), (5338, 24123), (6358, 20253), (6751, 19074), (8007, 16082), (8041, 16014), (9537, 13502), (10362, 12427)]