861242868

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4513}}^1$

素因数の和:4579

約数の個数: 120

約数和(自身を含む): 2446949120

約数和(自身を除く): 1585706252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 31, 36, 38, 54, 57, 62, 76, 81, 93, 108, 114, 124, 162, 171, 186, 228, 279, 324, 342, 372, 513, 558, 589, 684, 837, 1026, 1116, 1178, 1539, 1674, 1767, 2052, 2356, 2511, 3078, 3348, 3534, 4513, 5022, 5301, 6156, 7068, 9026, 10044, 10602, 13539, 15903, 18052, 21204, 27078, 31806, 40617, 47709, 54156, 63612, 81234, 85747, 95418, 121851, 139903, 162468, 171494, 190836, 243702, 257241, 279806, 342988, 365553, 419709, 487404, 514482, 559612, 731106, 771723, 839418, 1028964, 1259127, 1462212, 1543446, 1678836, 2315169, 2518254, 2658157, 3086892, 3777381, 4630338, 5036508, 5316314, 6945507, 7554762, 7974471, 9260676, 10632628, 11332143, 13891014, 15109524, 15948942, 22664286, 23923413, 27782028, 31897884, 45328572, 47846826, 71770239, 95693652, 143540478, 215310717, 287080956, 430621434, 861242868]

約数ペア:

[(1, 861242868), (2, 430621434), (3, 287080956), (4, 215310717), (6, 143540478), (9, 95693652), (12, 71770239), (18, 47846826), (19, 45328572), (27, 31897884), (31, 27782028), (36, 23923413), (38, 22664286), (54, 15948942), (57, 15109524), (62, 13891014), (76, 11332143), (81, 10632628), (93, 9260676), (108, 7974471), (114, 7554762), (124, 6945507), (162, 5316314), (171, 5036508), (186, 4630338), (228, 3777381), (279, 3086892), (324, 2658157), (342, 2518254), (372, 2315169), (513, 1678836), (558, 1543446), (589, 1462212), (684, 1259127), (837, 1028964), (1026, 839418), (1116, 771723), (1178, 731106), (1539, 559612), (1674, 514482), (1767, 487404), (2052, 419709), (2356, 365553), (2511, 342988), (3078, 279806), (3348, 257241), (3534, 243702), (4513, 190836), (5022, 171494), (5301, 162468), (6156, 139903), (7068, 121851), (9026, 95418), (10044, 85747), (10602, 81234), (13539, 63612), (15903, 54156), (18052, 47709), (21204, 40617), (27078, 31806)]