81554574

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 178421760

約数和(自身を除く): 96867186

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 127, 129, 131, 254, 258, 262, 381, 393, 762, 786, 817, 1634, 2413, 2451, 2489, 4826, 4902, 4978, 5461, 5633, 7239, 7467, 10922, 11266, 14478, 14934, 16383, 16637, 16899, 32766, 33274, 33798, 49911, 99822, 103759, 107027, 207518, 214054, 311277, 316103, 321081, 622554, 632206, 642162, 715391, 948309, 1430782, 1896618, 2146173, 4292346, 13592429, 27184858, 40777287, 81554574]

約数ペア:

[(1, 81554574), (2, 40777287), (3, 27184858), (6, 13592429), (19, 4292346), (38, 2146173), (43, 1896618), (57, 1430782), (86, 948309), (114, 715391), (127, 642162), (129, 632206), (131, 622554), (254, 321081), (258, 316103), (262, 311277), (381, 214054), (393, 207518), (762, 107027), (786, 103759), (817, 99822), (1634, 49911), (2413, 33798), (2451, 33274), (2489, 32766), (4826, 16899), (4902, 16637), (4978, 16383), (5461, 14934), (5633, 14478), (7239, 11266), (7467, 10922)]