28258692

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 88941888

約数和(自身を除く): 60683196

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 17, 21, 22, 28, 33, 34, 42, 44, 49, 51, 66, 68, 77, 84, 98, 102, 119, 132, 147, 154, 187, 196, 204, 231, 238, 257, 294, 308, 357, 374, 462, 476, 514, 539, 561, 588, 714, 748, 771, 833, 924, 1028, 1078, 1122, 1309, 1428, 1542, 1617, 1666, 1799, 2156, 2244, 2499, 2618, 2827, 3084, 3234, 3332, 3598, 3927, 4369, 4998, 5236, 5397, 5654, 6468, 7196, 7854, 8481, 8738, 9163, 9996, 10794, 11308, 12593, 13107, 15708, 16962, 17476, 18326, 19789, 21588, 25186, 26214, 27489, 30583, 33924, 36652, 37779, 39578, 48059, 50372, 52428, 54978, 59367, 61166, 75558, 79156, 91749, 96118, 109956, 118734, 122332, 138523, 144177, 151116, 183498, 192236, 214081, 237468, 277046, 288354, 336413, 366996, 415569, 428162, 554092, 576708, 642243, 672826, 831138, 856324, 1009239, 1284486, 1345652, 1662276, 2018478, 2354891, 2568972, 4036956, 4709782, 7064673, 9419564, 14129346, 28258692]

約数ペア:

[(1, 28258692), (2, 14129346), (3, 9419564), (4, 7064673), (6, 4709782), (7, 4036956), (11, 2568972), (12, 2354891), (14, 2018478), (17, 1662276), (21, 1345652), (22, 1284486), (28, 1009239), (33, 856324), (34, 831138), (42, 672826), (44, 642243), (49, 576708), (51, 554092), (66, 428162), (68, 415569), (77, 366996), (84, 336413), (98, 288354), (102, 277046), (119, 237468), (132, 214081), (147, 192236), (154, 183498), (187, 151116), (196, 144177), (204, 138523), (231, 122332), (238, 118734), (257, 109956), (294, 96118), (308, 91749), (357, 79156), (374, 75558), (462, 61166), (476, 59367), (514, 54978), (539, 52428), (561, 50372), (588, 48059), (714, 39578), (748, 37779), (771, 36652), (833, 33924), (924, 30583), (1028, 27489), (1078, 26214), (1122, 25186), (1309, 21588), (1428, 19789), (1542, 18326), (1617, 17476), (1666, 16962), (1799, 15708), (2156, 13107), (2244, 12593), (2499, 11308), (2618, 10794), (2827, 9996), (3084, 9163), (3234, 8738), (3332, 8481), (3598, 7854), (3927, 7196), (4369, 6468), (4998, 5654), (5236, 5397)]