71842428

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:456

約数の個数: 108

約数和(自身を含む): 213496920

約数和(自身を除く): 141654492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 139, 147, 196, 252, 278, 293, 294, 417, 441, 556, 586, 588, 834, 879, 882, 973, 1172, 1251, 1668, 1758, 1764, 1946, 2051, 2502, 2637, 2919, 3516, 3892, 4102, 5004, 5274, 5838, 6153, 6811, 8204, 8757, 10548, 11676, 12306, 13622, 14357, 17514, 18459, 20433, 24612, 27244, 28714, 35028, 36918, 40727, 40866, 43071, 57428, 61299, 73836, 81454, 81732, 86142, 122181, 122598, 129213, 162908, 172284, 244362, 245196, 258426, 285089, 366543, 488724, 516852, 570178, 733086, 855267, 1140356, 1466172, 1710534, 1995623, 2565801, 3421068, 3991246, 5131602, 5986869, 7982492, 10263204, 11973738, 17960607, 23947476, 35921214, 71842428]

約数ペア:

[(1, 71842428), (2, 35921214), (3, 23947476), (4, 17960607), (6, 11973738), (7, 10263204), (9, 7982492), (12, 5986869), (14, 5131602), (18, 3991246), (21, 3421068), (28, 2565801), (36, 1995623), (42, 1710534), (49, 1466172), (63, 1140356), (84, 855267), (98, 733086), (126, 570178), (139, 516852), (147, 488724), (196, 366543), (252, 285089), (278, 258426), (293, 245196), (294, 244362), (417, 172284), (441, 162908), (556, 129213), (586, 122598), (588, 122181), (834, 86142), (879, 81732), (882, 81454), (973, 73836), (1172, 61299), (1251, 57428), (1668, 43071), (1758, 40866), (1764, 40727), (1946, 36918), (2051, 35028), (2502, 28714), (2637, 27244), (2919, 24612), (3516, 20433), (3892, 18459), (4102, 17514), (5004, 14357), (5274, 13622), (5838, 12306), (6153, 11676), (6811, 10548), (8204, 8757)]