28881776

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 75571056

約数和(自身を除く): 46689280

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 49, 56, 68, 77, 88, 98, 112, 119, 136, 154, 176, 187, 196, 197, 238, 272, 308, 374, 392, 394, 476, 539, 616, 748, 784, 788, 833, 952, 1078, 1232, 1309, 1379, 1496, 1576, 1666, 1904, 2156, 2167, 2618, 2758, 2992, 3152, 3332, 3349, 4312, 4334, 5236, 5516, 6664, 6698, 8624, 8668, 9163, 9653, 10472, 11032, 13328, 13396, 15169, 17336, 18326, 19306, 20944, 22064, 23443, 26792, 30338, 34672, 36652, 36839, 38612, 46886, 53584, 60676, 73304, 73678, 77224, 93772, 106183, 121352, 146608, 147356, 154448, 164101, 187544, 212366, 242704, 257873, 294712, 328202, 375088, 424732, 515746, 589424, 656404, 849464, 1031492, 1312808, 1698928, 1805111, 2062984, 2625616, 3610222, 4125968, 7220444, 14440888, 28881776]

約数ペア:

[(1, 28881776), (2, 14440888), (4, 7220444), (7, 4125968), (8, 3610222), (11, 2625616), (14, 2062984), (16, 1805111), (17, 1698928), (22, 1312808), (28, 1031492), (34, 849464), (44, 656404), (49, 589424), (56, 515746), (68, 424732), (77, 375088), (88, 328202), (98, 294712), (112, 257873), (119, 242704), (136, 212366), (154, 187544), (176, 164101), (187, 154448), (196, 147356), (197, 146608), (238, 121352), (272, 106183), (308, 93772), (374, 77224), (392, 73678), (394, 73304), (476, 60676), (539, 53584), (616, 46886), (748, 38612), (784, 36839), (788, 36652), (833, 34672), (952, 30338), (1078, 26792), (1232, 23443), (1309, 22064), (1379, 20944), (1496, 19306), (1576, 18326), (1666, 17336), (1904, 15169), (2156, 13396), (2167, 13328), (2618, 11032), (2758, 10472), (2992, 9653), (3152, 9163), (3332, 8668), (3349, 8624), (4312, 6698), (4334, 6664), (5236, 5516)]