128850498

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1051}}^1$

素因数の和:1212

約数の個数: 72

約数和(自身を含む): 327403440

約数和(自身を除く): 198552942

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 139, 147, 278, 294, 417, 441, 834, 882, 973, 1051, 1251, 1946, 2102, 2502, 2919, 3153, 5838, 6306, 6811, 7357, 8757, 9459, 13622, 14714, 17514, 18918, 20433, 22071, 40866, 44142, 51499, 61299, 66213, 102998, 122598, 132426, 146089, 154497, 292178, 308994, 438267, 463491, 876534, 926982, 1022623, 1314801, 2045246, 2629602, 3067869, 6135738, 7158361, 9203607, 14316722, 18407214, 21475083, 42950166, 64425249, 128850498]

約数ペア:

[(1, 128850498), (2, 64425249), (3, 42950166), (6, 21475083), (7, 18407214), (9, 14316722), (14, 9203607), (18, 7158361), (21, 6135738), (42, 3067869), (49, 2629602), (63, 2045246), (98, 1314801), (126, 1022623), (139, 926982), (147, 876534), (278, 463491), (294, 438267), (417, 308994), (441, 292178), (834, 154497), (882, 146089), (973, 132426), (1051, 122598), (1251, 102998), (1946, 66213), (2102, 61299), (2502, 51499), (2919, 44142), (3153, 40866), (5838, 22071), (6306, 20433), (6811, 18918), (7357, 17514), (8757, 14714), (9459, 13622)]