398996968028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1\times {\mathrm{253493}}^1$

素因数の和:253886

約数の個数: 48

約数和(自身を含む): 751234538880

約数和(自身を除く): 352237570852

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 293, 316, 586, 1172, 1343, 2686, 4981, 5372, 9962, 19924, 23147, 46294, 92588, 253493, 393499, 506986, 786998, 1013972, 1573996, 4309381, 8618762, 17237524, 20025947, 40051894, 74273449, 80103788, 148546898, 297093796, 340441099, 680882198, 1262648633, 1361764396, 2525297266, 5050594532, 5867602471, 11735204942, 23470409884, 99749242007, 199498484014, 398996968028]

約数ペア:

[(1, 398996968028), (2, 199498484014), (4, 99749242007), (17, 23470409884), (34, 11735204942), (68, 5867602471), (79, 5050594532), (158, 2525297266), (293, 1361764396), (316, 1262648633), (586, 680882198), (1172, 340441099), (1343, 297093796), (2686, 148546898), (4981, 80103788), (5372, 74273449), (9962, 40051894), (19924, 20025947), (23147, 17237524), (46294, 8618762), (92588, 4309381), (253493, 1573996), (393499, 1013972), (506986, 786998)]