27981976

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 58365720

約数和(自身を除く): 30383744

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 137, 211, 242, 274, 422, 484, 548, 844, 968, 1096, 1507, 1688, 2321, 3014, 4642, 6028, 9284, 12056, 16577, 18568, 25531, 28907, 33154, 51062, 57814, 66308, 102124, 115628, 132616, 204248, 231256, 317977, 635954, 1271908, 2543816, 3497747, 6995494, 13990988, 27981976]

約数ペア:

[(1, 27981976), (2, 13990988), (4, 6995494), (8, 3497747), (11, 2543816), (22, 1271908), (44, 635954), (88, 317977), (121, 231256), (137, 204248), (211, 132616), (242, 115628), (274, 102124), (422, 66308), (484, 57814), (548, 51062), (844, 33154), (968, 28907), (1096, 25531), (1507, 18568), (1688, 16577), (2321, 12056), (3014, 9284), (4642, 6028)]