889716268

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 2027773440

約数和(自身を除く): 1138057172

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 43, 46, 76, 86, 89, 92, 133, 161, 172, 178, 266, 301, 322, 356, 361, 437, 532, 602, 623, 644, 722, 817, 874, 989, 1204, 1246, 1444, 1634, 1691, 1748, 1978, 2047, 2492, 2527, 3059, 3268, 3382, 3827, 3956, 4094, 5054, 5719, 6118, 6764, 6923, 7654, 8188, 8303, 10108, 11438, 11837, 12236, 13846, 14329, 15308, 15523, 16606, 18791, 22876, 23674, 26789, 27692, 28658, 31046, 32129, 33212, 37582, 38893, 47348, 53578, 57316, 58121, 62092, 64258, 72713, 75164, 77786, 88021, 107156, 108661, 116242, 128516, 131537, 145426, 155572, 176042, 217322, 224903, 232484, 263074, 272251, 290852, 352084, 357029, 434644, 449806, 508991, 526148, 544502, 616147, 714058, 738967, 899612, 1017982, 1089004, 1232294, 1381547, 1428116, 1477934, 1672399, 2035964, 2464588, 2499203, 2763094, 2955868, 3344798, 4998406, 5172769, 5526188, 6689596, 9670829, 9996812, 10345538, 11706793, 19341658, 20691076, 23413586, 31775581, 38683316, 46827172, 63551162, 127102324, 222429067, 444858134, 889716268]

約数ペア:

[(1, 889716268), (2, 444858134), (4, 222429067), (7, 127102324), (14, 63551162), (19, 46827172), (23, 38683316), (28, 31775581), (38, 23413586), (43, 20691076), (46, 19341658), (76, 11706793), (86, 10345538), (89, 9996812), (92, 9670829), (133, 6689596), (161, 5526188), (172, 5172769), (178, 4998406), (266, 3344798), (301, 2955868), (322, 2763094), (356, 2499203), (361, 2464588), (437, 2035964), (532, 1672399), (602, 1477934), (623, 1428116), (644, 1381547), (722, 1232294), (817, 1089004), (874, 1017982), (989, 899612), (1204, 738967), (1246, 714058), (1444, 616147), (1634, 544502), (1691, 526148), (1748, 508991), (1978, 449806), (2047, 434644), (2492, 357029), (2527, 352084), (3059, 290852), (3268, 272251), (3382, 263074), (3827, 232484), (3956, 224903), (4094, 217322), (5054, 176042), (5719, 155572), (6118, 145426), (6764, 131537), (6923, 128516), (7654, 116242), (8188, 108661), (8303, 107156), (10108, 88021), (11438, 77786), (11837, 75164), (12236, 72713), (13846, 64258), (14329, 62092), (15308, 58121), (15523, 57316), (16606, 53578), (18791, 47348), (22876, 38893), (23674, 37582), (26789, 33212), (27692, 32129), (28658, 31046)]