27820636

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 55308960

約数和(自身を除く): 27488324

約数列:

[1, 2, 4, 17, 19, 34, 38, 61, 68, 76, 122, 244, 323, 353, 646, 706, 1037, 1159, 1292, 1412, 2074, 2318, 4148, 4636, 6001, 6707, 12002, 13414, 19703, 21533, 24004, 26828, 39406, 43066, 78812, 86132, 114019, 228038, 366061, 409127, 456076, 732122, 818254, 1464244, 1636508, 6955159, 13910318, 27820636]

約数ペア:

[(1, 27820636), (2, 13910318), (4, 6955159), (17, 1636508), (19, 1464244), (34, 818254), (38, 732122), (61, 456076), (68, 409127), (76, 366061), (122, 228038), (244, 114019), (323, 86132), (353, 78812), (646, 43066), (706, 39406), (1037, 26828), (1159, 24004), (1292, 21533), (1412, 19703), (2074, 13414), (2318, 12002), (4148, 6707), (4636, 6001)]