4271428

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 9703680

約数和(自身を除く): 5432252

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 37, 38, 49, 62, 74, 76, 98, 124, 133, 148, 196, 217, 259, 266, 434, 518, 532, 589, 703, 868, 931, 1036, 1147, 1178, 1406, 1519, 1813, 1862, 2294, 2356, 2812, 3038, 3626, 3724, 4123, 4588, 4921, 6076, 7252, 8029, 8246, 9842, 16058, 16492, 19684, 21793, 28861, 32116, 34447, 43586, 56203, 57722, 68894, 87172, 112406, 115444, 137788, 152551, 224812, 305102, 610204, 1067857, 2135714, 4271428]

約数ペア:

[(1, 4271428), (2, 2135714), (4, 1067857), (7, 610204), (14, 305102), (19, 224812), (28, 152551), (31, 137788), (37, 115444), (38, 112406), (49, 87172), (62, 68894), (74, 57722), (76, 56203), (98, 43586), (124, 34447), (133, 32116), (148, 28861), (196, 21793), (217, 19684), (259, 16492), (266, 16058), (434, 9842), (518, 8246), (532, 8029), (589, 7252), (703, 6076), (868, 4921), (931, 4588), (1036, 4123), (1147, 3724), (1178, 3626), (1406, 3038), (1519, 2812), (1813, 2356), (1862, 2294)]