209219408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:732

約数の個数: 80

約数和(自身を含む): 457042176

約数和(自身を除く): 247822768

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 53, 68, 92, 106, 136, 184, 212, 272, 368, 391, 424, 631, 782, 848, 901, 1219, 1262, 1564, 1802, 2438, 2524, 3128, 3604, 4876, 5048, 6256, 7208, 9752, 10096, 10727, 14416, 14513, 19504, 20723, 21454, 29026, 33443, 41446, 42908, 58052, 66886, 82892, 85816, 116104, 133772, 165784, 171632, 232208, 246721, 267544, 331568, 493442, 535088, 568531, 769189, 986884, 1137062, 1538378, 1973768, 2274124, 3076756, 3947536, 4548248, 6153512, 9096496, 12307024, 13076213, 26152426, 52304852, 104609704, 209219408]

約数ペア:

[(1, 209219408), (2, 104609704), (4, 52304852), (8, 26152426), (16, 13076213), (17, 12307024), (23, 9096496), (34, 6153512), (46, 4548248), (53, 3947536), (68, 3076756), (92, 2274124), (106, 1973768), (136, 1538378), (184, 1137062), (212, 986884), (272, 769189), (368, 568531), (391, 535088), (424, 493442), (631, 331568), (782, 267544), (848, 246721), (901, 232208), (1219, 171632), (1262, 165784), (1564, 133772), (1802, 116104), (2438, 85816), (2524, 82892), (3128, 66886), (3604, 58052), (4876, 42908), (5048, 41446), (6256, 33443), (7208, 29026), (9752, 21454), (10096, 20723), (10727, 19504), (14416, 14513)]