31137876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 100638720

約数和(自身を除く): 69500844

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 47, 63, 66, 77, 84, 94, 99, 126, 132, 141, 154, 188, 198, 231, 239, 252, 282, 308, 329, 396, 423, 462, 478, 517, 564, 658, 693, 717, 846, 924, 956, 987, 1034, 1316, 1386, 1434, 1551, 1673, 1692, 1974, 2068, 2151, 2629, 2772, 2868, 2961, 3102, 3346, 3619, 3948, 4302, 4653, 5019, 5258, 5922, 6204, 6692, 7238, 7887, 8604, 9306, 10038, 10516, 10857, 11233, 11844, 14476, 15057, 15774, 18403, 18612, 20076, 21714, 22466, 23661, 30114, 31548, 32571, 33699, 36806, 43428, 44932, 47322, 55209, 60228, 65142, 67398, 73612, 78631, 94644, 101097, 110418, 123563, 130284, 134796, 157262, 165627, 202194, 220836, 235893, 247126, 314524, 331254, 370689, 404388, 471786, 494252, 662508, 707679, 741378, 864941, 943572, 1112067, 1415358, 1482756, 1729882, 2224134, 2594823, 2830716, 3459764, 4448268, 5189646, 7784469, 10379292, 15568938, 31137876]

約数ペア:

[(1, 31137876), (2, 15568938), (3, 10379292), (4, 7784469), (6, 5189646), (7, 4448268), (9, 3459764), (11, 2830716), (12, 2594823), (14, 2224134), (18, 1729882), (21, 1482756), (22, 1415358), (28, 1112067), (33, 943572), (36, 864941), (42, 741378), (44, 707679), (47, 662508), (63, 494252), (66, 471786), (77, 404388), (84, 370689), (94, 331254), (99, 314524), (126, 247126), (132, 235893), (141, 220836), (154, 202194), (188, 165627), (198, 157262), (231, 134796), (239, 130284), (252, 123563), (282, 110418), (308, 101097), (329, 94644), (396, 78631), (423, 73612), (462, 67398), (478, 65142), (517, 60228), (564, 55209), (658, 47322), (693, 44932), (717, 43428), (846, 36806), (924, 33699), (956, 32571), (987, 31548), (1034, 30114), (1316, 23661), (1386, 22466), (1434, 21714), (1551, 20076), (1673, 18612), (1692, 18403), (1974, 15774), (2068, 15057), (2151, 14476), (2629, 11844), (2772, 11233), (2868, 10857), (2961, 10516), (3102, 10038), (3346, 9306), (3619, 8604), (3948, 7887), (4302, 7238), (4653, 6692), (5019, 6204), (5258, 5922)]