643220113534

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{433}}^1\times {\mathrm{2153}}^1$

素因数の和:2945

約数の個数: 64

約数和(自身を含む): 1037443599360

約数和(自身を除く): 394223485826

約数列:

[1, 2, 19, 38, 67, 134, 271, 433, 542, 866, 1273, 2153, 2546, 4306, 5149, 8227, 10298, 16454, 18157, 29011, 36314, 40907, 58022, 81814, 117343, 144251, 234686, 288502, 344983, 551209, 583463, 689966, 932249, 1102418, 1166926, 1864498, 2229517, 2740769, 4459034, 5481538, 7861981, 11085797, 15723962, 17712731, 22171594, 35425462, 39092021, 62460683, 78184042, 124921366, 149377639, 252639479, 298755278, 505278958, 742748399, 1186752977, 1485496798, 2373505954, 4800150101, 9600300202, 16926845093, 33853690186, 321610056767, 643220113534]

約数ペア:

[(1, 643220113534), (2, 321610056767), (19, 33853690186), (38, 16926845093), (67, 9600300202), (134, 4800150101), (271, 2373505954), (433, 1485496798), (542, 1186752977), (866, 742748399), (1273, 505278958), (2153, 298755278), (2546, 252639479), (4306, 149377639), (5149, 124921366), (8227, 78184042), (10298, 62460683), (16454, 39092021), (18157, 35425462), (29011, 22171594), (36314, 17712731), (40907, 15723962), (58022, 11085797), (81814, 7861981), (117343, 5481538), (144251, 4459034), (234686, 2740769), (288502, 2229517), (344983, 1864498), (551209, 1166926), (583463, 1102418), (689966, 932249)]