656420128

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1303}}^1$

素因数の和:1506

約数の個数: 96

約数和(自身を含む): 1600978176

約数和(自身を除く): 944558048

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 173, 182, 208, 224, 346, 364, 416, 692, 728, 1211, 1303, 1384, 1456, 2249, 2422, 2606, 2768, 2912, 4498, 4844, 5212, 5536, 8996, 9121, 9688, 10424, 15743, 16939, 17992, 18242, 19376, 20848, 31486, 33878, 35984, 36484, 38752, 41696, 62972, 67756, 71968, 72968, 118573, 125944, 135512, 145936, 225419, 237146, 251888, 271024, 291872, 450838, 474292, 503776, 542048, 901676, 948584, 1577933, 1803352, 1897168, 2930447, 3155866, 3606704, 3794336, 5860894, 6311732, 7213408, 11721788, 12623464, 20513129, 23443576, 25246928, 41026258, 46887152, 50493856, 82052516, 93774304, 164105032, 328210064, 656420128]

約数ペア:

[(1, 656420128), (2, 328210064), (4, 164105032), (7, 93774304), (8, 82052516), (13, 50493856), (14, 46887152), (16, 41026258), (26, 25246928), (28, 23443576), (32, 20513129), (52, 12623464), (56, 11721788), (91, 7213408), (104, 6311732), (112, 5860894), (173, 3794336), (182, 3606704), (208, 3155866), (224, 2930447), (346, 1897168), (364, 1803352), (416, 1577933), (692, 948584), (728, 901676), (1211, 542048), (1303, 503776), (1384, 474292), (1456, 450838), (2249, 291872), (2422, 271024), (2606, 251888), (2768, 237146), (2912, 225419), (4498, 145936), (4844, 135512), (5212, 125944), (5536, 118573), (8996, 72968), (9121, 71968), (9688, 67756), (10424, 62972), (15743, 41696), (16939, 38752), (17992, 36484), (18242, 35984), (19376, 33878), (20848, 31486)]