258556298

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 564350976

約数和(自身を除く): 305794678

約数列:

[1, 2, 7, 11, 13, 14, 17, 22, 26, 34, 71, 77, 91, 107, 119, 142, 143, 154, 182, 187, 214, 221, 238, 286, 374, 442, 497, 749, 781, 923, 994, 1001, 1177, 1207, 1309, 1391, 1498, 1547, 1562, 1819, 1846, 2002, 2354, 2414, 2431, 2618, 2782, 3094, 3638, 4862, 5467, 6461, 7597, 8239, 8449, 9737, 10153, 10934, 12733, 12922, 13277, 15194, 15301, 15691, 16478, 16898, 17017, 19474, 20009, 20306, 23647, 25466, 26554, 30602, 31382, 34034, 40018, 47294, 53179, 71071, 83567, 92939, 98761, 106358, 107107, 109837, 129149, 140063, 142142, 165529, 167134, 172601, 185878, 197522, 214214, 219674, 258298, 260117, 280126, 331058, 345202, 520234, 584969, 691327, 904043, 1086371, 1169938, 1208207, 1382654, 1420639, 1678937, 1808086, 1820819, 2172742, 2416414, 2841278, 3357874, 3641638, 7604597, 9944473, 11752559, 15209194, 18468307, 19888946, 23505118, 36936614, 129278149, 258556298]

約数ペア:

[(1, 258556298), (2, 129278149), (7, 36936614), (11, 23505118), (13, 19888946), (14, 18468307), (17, 15209194), (22, 11752559), (26, 9944473), (34, 7604597), (71, 3641638), (77, 3357874), (91, 2841278), (107, 2416414), (119, 2172742), (142, 1820819), (143, 1808086), (154, 1678937), (182, 1420639), (187, 1382654), (214, 1208207), (221, 1169938), (238, 1086371), (286, 904043), (374, 691327), (442, 584969), (497, 520234), (749, 345202), (781, 331058), (923, 280126), (994, 260117), (1001, 258298), (1177, 219674), (1207, 214214), (1309, 197522), (1391, 185878), (1498, 172601), (1547, 167134), (1562, 165529), (1819, 142142), (1846, 140063), (2002, 129149), (2354, 109837), (2414, 107107), (2431, 106358), (2618, 98761), (2782, 92939), (3094, 83567), (3638, 71071), (4862, 53179), (5467, 47294), (6461, 40018), (7597, 34034), (8239, 31382), (8449, 30602), (9737, 26554), (10153, 25466), (10934, 23647), (12733, 20306), (12922, 20009), (13277, 19474), (15194, 17017), (15301, 16898), (15691, 16478)]