221978848

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2459}}^1$

素因数の和:2520

約数の個数: 96

約数和(自身を含む): 555448320

約数和(自身を除く): 333469472

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 224, 248, 364, 403, 416, 434, 496, 728, 806, 868, 992, 1456, 1612, 1736, 2459, 2821, 2912, 3224, 3472, 4918, 5642, 6448, 6944, 9836, 11284, 12896, 17213, 19672, 22568, 31967, 34426, 39344, 45136, 63934, 68852, 76229, 78688, 90272, 127868, 137704, 152458, 223769, 255736, 275408, 304916, 447538, 511472, 533603, 550816, 609832, 895076, 990977, 1022944, 1067206, 1219664, 1790152, 1981954, 2134412, 2439328, 3580304, 3963908, 4268824, 6936839, 7160608, 7927816, 8537648, 13873678, 15855632, 17075296, 27747356, 31711264, 55494712, 110989424, 221978848]

約数ペア:

[(1, 221978848), (2, 110989424), (4, 55494712), (7, 31711264), (8, 27747356), (13, 17075296), (14, 15855632), (16, 13873678), (26, 8537648), (28, 7927816), (31, 7160608), (32, 6936839), (52, 4268824), (56, 3963908), (62, 3580304), (91, 2439328), (104, 2134412), (112, 1981954), (124, 1790152), (182, 1219664), (208, 1067206), (217, 1022944), (224, 990977), (248, 895076), (364, 609832), (403, 550816), (416, 533603), (434, 511472), (496, 447538), (728, 304916), (806, 275408), (868, 255736), (992, 223769), (1456, 152458), (1612, 137704), (1736, 127868), (2459, 90272), (2821, 78688), (2912, 76229), (3224, 68852), (3472, 63934), (4918, 45136), (5642, 39344), (6448, 34426), (6944, 31967), (9836, 22568), (11284, 19672), (12896, 17213)]