396811998

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:315

約数の個数: 144

約数和(自身を含む): 1022461440

約数和(自身を除く): 625649442

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 43, 57, 66, 86, 99, 114, 121, 129, 171, 198, 209, 223, 242, 258, 342, 363, 387, 418, 446, 473, 627, 669, 726, 774, 817, 946, 1089, 1254, 1338, 1419, 1634, 1881, 2007, 2178, 2299, 2451, 2453, 2838, 3762, 4014, 4237, 4257, 4598, 4902, 4906, 5203, 6897, 7353, 7359, 8474, 8514, 8987, 9589, 10406, 12711, 13794, 14706, 14718, 15609, 17974, 19178, 20691, 22077, 25422, 26961, 26983, 28767, 31218, 38133, 41382, 44154, 46607, 46827, 53922, 53966, 57534, 76266, 80883, 80949, 86301, 93214, 93654, 98857, 105479, 139821, 161766, 161898, 172602, 182191, 197714, 210958, 242847, 279642, 296571, 316437, 364382, 419463, 485694, 512677, 546573, 593142, 632874, 838926, 889713, 949311, 1025354, 1093146, 1160269, 1538031, 1639719, 1779426, 1898622, 2004101, 2320538, 3076062, 3279438, 3480807, 4008202, 4614093, 6012303, 6961614, 9228186, 10442421, 12024606, 18036909, 20884842, 22045111, 36073818, 44090222, 66135333, 132270666, 198405999, 396811998]

約数ペア:

[(1, 396811998), (2, 198405999), (3, 132270666), (6, 66135333), (9, 44090222), (11, 36073818), (18, 22045111), (19, 20884842), (22, 18036909), (33, 12024606), (38, 10442421), (43, 9228186), (57, 6961614), (66, 6012303), (86, 4614093), (99, 4008202), (114, 3480807), (121, 3279438), (129, 3076062), (171, 2320538), (198, 2004101), (209, 1898622), (223, 1779426), (242, 1639719), (258, 1538031), (342, 1160269), (363, 1093146), (387, 1025354), (418, 949311), (446, 889713), (473, 838926), (627, 632874), (669, 593142), (726, 546573), (774, 512677), (817, 485694), (946, 419463), (1089, 364382), (1254, 316437), (1338, 296571), (1419, 279642), (1634, 242847), (1881, 210958), (2007, 197714), (2178, 182191), (2299, 172602), (2451, 161898), (2453, 161766), (2838, 139821), (3762, 105479), (4014, 98857), (4237, 93654), (4257, 93214), (4598, 86301), (4902, 80949), (4906, 80883), (5203, 76266), (6897, 57534), (7353, 53966), (7359, 53922), (8474, 46827), (8514, 46607), (8987, 44154), (9589, 41382), (10406, 38133), (12711, 31218), (13794, 28767), (14706, 26983), (14718, 26961), (15609, 25422), (17974, 22077), (19178, 20691)]