220171328

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4993}}^1$

素因数の和:5071

約数の個数: 56

約数和(自身を含む): 479483928

約数和(自身を除く): 259312600

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 208, 212, 416, 424, 689, 832, 848, 1378, 1696, 2756, 3392, 4993, 5512, 9986, 11024, 19972, 22048, 39944, 44096, 64909, 79888, 129818, 159776, 259636, 264629, 319552, 519272, 529258, 1038544, 1058516, 2077088, 2117032, 3440177, 4154176, 4234064, 6880354, 8468128, 13760708, 16936256, 27521416, 55042832, 110085664, 220171328]

約数ペア:

[(1, 220171328), (2, 110085664), (4, 55042832), (8, 27521416), (13, 16936256), (16, 13760708), (26, 8468128), (32, 6880354), (52, 4234064), (53, 4154176), (64, 3440177), (104, 2117032), (106, 2077088), (208, 1058516), (212, 1038544), (416, 529258), (424, 519272), (689, 319552), (832, 264629), (848, 259636), (1378, 159776), (1696, 129818), (2756, 79888), (3392, 64909), (4993, 44096), (5512, 39944), (9986, 22048), (11024, 19972)]