212691544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{821}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 447431040

約数和(自身を除く): 234739496

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 53, 94, 104, 106, 188, 212, 376, 424, 611, 689, 821, 1222, 1378, 1642, 2444, 2491, 2756, 3284, 4888, 4982, 5512, 6568, 9964, 10673, 19928, 21346, 32383, 38587, 42692, 43513, 64766, 77174, 85384, 87026, 129532, 154348, 174052, 259064, 308696, 348104, 501631, 565669, 1003262, 1131338, 2006524, 2045111, 2262676, 4013048, 4090222, 4525352, 8180444, 16360888, 26586443, 53172886, 106345772, 212691544]

約数ペア:

[(1, 212691544), (2, 106345772), (4, 53172886), (8, 26586443), (13, 16360888), (26, 8180444), (47, 4525352), (52, 4090222), (53, 4013048), (94, 2262676), (104, 2045111), (106, 2006524), (188, 1131338), (212, 1003262), (376, 565669), (424, 501631), (611, 348104), (689, 308696), (821, 259064), (1222, 174052), (1378, 154348), (1642, 129532), (2444, 87026), (2491, 85384), (2756, 77174), (3284, 64766), (4888, 43513), (4982, 42692), (5512, 38587), (6568, 32383), (9964, 21346), (10673, 19928)]