871318899556

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1\times {\mathrm{206251}}^1$

素因数の和:206481

約数の個数: 72

約数和(自身を含む): 1812143272128

約数和(自身を除く): 940824372572

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 157, 217, 314, 434, 628, 868, 961, 1099, 1922, 2198, 3844, 4396, 4867, 6727, 9734, 13454, 19468, 26908, 34069, 68138, 136276, 150877, 206251, 301754, 412502, 603508, 825004, 1056139, 1443757, 2112278, 2887514, 4224556, 5775028, 6393781, 12787562, 25575124, 32381407, 44756467, 64762814, 89512934, 129525628, 179025868, 198207211, 226669849, 396414422, 453339698, 792828844, 906679396, 1003823617, 1387450477, 2007647234, 2774900954, 4015294468, 5549801908, 7026765319, 14053530638, 28107061276, 31118532127, 62237064254, 124474128508, 217829724889, 435659449778, 871318899556]

約数ペア:

[(1, 871318899556), (2, 435659449778), (4, 217829724889), (7, 124474128508), (14, 62237064254), (28, 31118532127), (31, 28107061276), (62, 14053530638), (124, 7026765319), (157, 5549801908), (217, 4015294468), (314, 2774900954), (434, 2007647234), (628, 1387450477), (868, 1003823617), (961, 906679396), (1099, 792828844), (1922, 453339698), (2198, 396414422), (3844, 226669849), (4396, 198207211), (4867, 179025868), (6727, 129525628), (9734, 89512934), (13454, 64762814), (19468, 44756467), (26908, 32381407), (34069, 25575124), (68138, 12787562), (136276, 6393781), (150877, 5775028), (206251, 4224556), (301754, 2887514), (412502, 2112278), (603508, 1443757), (825004, 1056139)]