291239498

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 495254760

約数和(自身を除く): 204015262

約数列:

[1, 2, 11, 22, 61, 109, 121, 122, 181, 218, 242, 362, 671, 1199, 1342, 1991, 2398, 3982, 6649, 7381, 11041, 13189, 13298, 14762, 19729, 21901, 22082, 26378, 39458, 43802, 73139, 121451, 146278, 217019, 242902, 434038, 804529, 1203469, 1335961, 1609058, 2387209, 2406938, 2671922, 4774418, 13238159, 26476318, 145619749, 291239498]

約数ペア:

[(1, 291239498), (2, 145619749), (11, 26476318), (22, 13238159), (61, 4774418), (109, 2671922), (121, 2406938), (122, 2387209), (181, 1609058), (218, 1335961), (242, 1203469), (362, 804529), (671, 434038), (1199, 242902), (1342, 217019), (1991, 146278), (2398, 121451), (3982, 73139), (6649, 43802), (7381, 39458), (11041, 26378), (13189, 22082), (13298, 21901), (14762, 19729)]