26778268

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:994

約数の個数: 36

約数和(自身を含む): 52411576

約数和(自身を除く): 25633308

約数列:

[1, 2, 4, 11, 22, 44, 61, 121, 122, 242, 244, 484, 671, 907, 1342, 1814, 2684, 3628, 7381, 9977, 14762, 19954, 29524, 39908, 55327, 109747, 110654, 219494, 221308, 438988, 608597, 1217194, 2434388, 6694567, 13389134, 26778268]

約数ペア:

[(1, 26778268), (2, 13389134), (4, 6694567), (11, 2434388), (22, 1217194), (44, 608597), (61, 438988), (121, 221308), (122, 219494), (242, 110654), (244, 109747), (484, 55327), (671, 39908), (907, 29524), (1342, 19954), (1814, 14762), (2684, 9977), (3628, 7381)]