644522526193

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^2\times {\mathrm{16871}}^1$

素因数の和:17122

約数の個数: 48

約数和(自身を含む): 817457308416

約数和(自身を除く): 172934782223

約数列:

[1, 7, 13, 53, 89, 91, 371, 623, 689, 1157, 4717, 4823, 7921, 8099, 16871, 33019, 55447, 61321, 102973, 118097, 219323, 419813, 429247, 720811, 894163, 1501519, 1535261, 2938691, 5457569, 6259141, 10510633, 11624119, 19519747, 38202983, 79580507, 81368833, 133635191, 136638229, 557063549, 935446337, 1034546591, 1737257483, 7082665123, 7241826137, 12160802381, 49578655861, 92074646599, 644522526193]

約数ペア:

[(1, 644522526193), (7, 92074646599), (13, 49578655861), (53, 12160802381), (89, 7241826137), (91, 7082665123), (371, 1737257483), (623, 1034546591), (689, 935446337), (1157, 557063549), (4717, 136638229), (4823, 133635191), (7921, 81368833), (8099, 79580507), (16871, 38202983), (33019, 19519747), (55447, 11624119), (61321, 10510633), (102973, 6259141), (118097, 5457569), (219323, 2938691), (419813, 1535261), (429247, 1501519), (720811, 894163)]