781982316

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:729

約数の個数: 144

約数和(自身を含む): 2212116480

約数和(自身を除く): 1430134164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 31, 36, 38, 54, 57, 62, 76, 93, 108, 114, 124, 171, 186, 228, 279, 342, 361, 372, 513, 558, 589, 647, 684, 722, 837, 1026, 1083, 1116, 1178, 1294, 1444, 1674, 1767, 1941, 2052, 2166, 2356, 2588, 3249, 3348, 3534, 3882, 4332, 5301, 5823, 6498, 7068, 7764, 9747, 10602, 11191, 11646, 12293, 12996, 15903, 17469, 19494, 20057, 21204, 22382, 23292, 24586, 31806, 33573, 34938, 36879, 38988, 40114, 44764, 49172, 60171, 63612, 67146, 69876, 73758, 80228, 100719, 110637, 120342, 134292, 147516, 180513, 201438, 221274, 233567, 240684, 302157, 331911, 361026, 381083, 402876, 442548, 467134, 541539, 604314, 663822, 700701, 722052, 762166, 934268, 1083078, 1143249, 1208628, 1327644, 1401402, 1524332, 2102103, 2166156, 2286498, 2802804, 3429747, 4204206, 4572996, 6306309, 6859494, 7240577, 8408412, 10289241, 12612618, 13718988, 14481154, 20578482, 21721731, 25225236, 28962308, 41156964, 43443462, 65165193, 86886924, 130330386, 195495579, 260660772, 390991158, 781982316]

約数ペア:

[(1, 781982316), (2, 390991158), (3, 260660772), (4, 195495579), (6, 130330386), (9, 86886924), (12, 65165193), (18, 43443462), (19, 41156964), (27, 28962308), (31, 25225236), (36, 21721731), (38, 20578482), (54, 14481154), (57, 13718988), (62, 12612618), (76, 10289241), (93, 8408412), (108, 7240577), (114, 6859494), (124, 6306309), (171, 4572996), (186, 4204206), (228, 3429747), (279, 2802804), (342, 2286498), (361, 2166156), (372, 2102103), (513, 1524332), (558, 1401402), (589, 1327644), (647, 1208628), (684, 1143249), (722, 1083078), (837, 934268), (1026, 762166), (1083, 722052), (1116, 700701), (1178, 663822), (1294, 604314), (1444, 541539), (1674, 467134), (1767, 442548), (1941, 402876), (2052, 381083), (2166, 361026), (2356, 331911), (2588, 302157), (3249, 240684), (3348, 233567), (3534, 221274), (3882, 201438), (4332, 180513), (5301, 147516), (5823, 134292), (6498, 120342), (7068, 110637), (7764, 100719), (9747, 80228), (10602, 73758), (11191, 69876), (11646, 67146), (12293, 63612), (12996, 60171), (15903, 49172), (17469, 44764), (19494, 40114), (20057, 38988), (21204, 36879), (22382, 34938), (23292, 33573), (24586, 31806)]