221448812

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 425429760

約数和(自身を除く): 203980948

約数列:

[1, 2, 4, 13, 26, 52, 113, 169, 223, 226, 338, 446, 452, 676, 892, 1469, 2197, 2899, 2938, 4394, 5798, 5876, 8788, 11596, 19097, 25199, 37687, 38194, 50398, 75374, 76388, 100796, 150748, 248261, 327587, 489931, 496522, 655174, 979862, 993044, 1310348, 1959724, 4258631, 8517262, 17034524, 55362203, 110724406, 221448812]

約数ペア:

[(1, 221448812), (2, 110724406), (4, 55362203), (13, 17034524), (26, 8517262), (52, 4258631), (113, 1959724), (169, 1310348), (223, 993044), (226, 979862), (338, 655174), (446, 496522), (452, 489931), (676, 327587), (892, 248261), (1469, 150748), (2197, 100796), (2899, 76388), (2938, 75374), (4394, 50398), (5798, 38194), (5876, 37687), (8788, 25199), (11596, 19097)]