291217916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1481}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 575134560

約数和(自身を除く): 283916644

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 109, 164, 218, 436, 451, 902, 1199, 1481, 1804, 2398, 2962, 4469, 4796, 5924, 8938, 16291, 17876, 32582, 49159, 60721, 65164, 98318, 121442, 161429, 196636, 242884, 322858, 645716, 667931, 1335862, 1775719, 2671724, 3551438, 6618589, 7102876, 13237178, 26474356, 72804479, 145608958, 291217916]

約数ペア:

[(1, 291217916), (2, 145608958), (4, 72804479), (11, 26474356), (22, 13237178), (41, 7102876), (44, 6618589), (82, 3551438), (109, 2671724), (164, 1775719), (218, 1335862), (436, 667931), (451, 645716), (902, 322858), (1199, 242884), (1481, 196636), (1804, 161429), (2398, 121442), (2962, 98318), (4469, 65164), (4796, 60721), (5924, 49159), (8938, 32582), (16291, 17876)]