131231496

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 377654400

約数和(自身を除く): 246422904

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 29, 33, 44, 58, 61, 66, 87, 88, 116, 122, 132, 174, 183, 232, 244, 264, 281, 319, 348, 366, 488, 562, 638, 671, 696, 732, 843, 957, 1124, 1276, 1342, 1464, 1686, 1769, 1914, 2013, 2248, 2552, 2684, 3091, 3372, 3538, 3828, 4026, 5307, 5368, 6182, 6744, 7076, 7656, 8052, 8149, 9273, 10614, 12364, 14152, 16104, 16298, 17141, 18546, 19459, 21228, 24447, 24728, 32596, 34282, 37092, 38918, 42456, 48894, 51423, 58377, 65192, 68564, 74184, 77836, 89639, 97788, 102846, 116754, 137128, 155672, 179278, 188551, 195576, 205692, 233508, 268917, 358556, 377102, 411384, 467016, 497089, 537834, 565653, 717112, 754204, 994178, 1075668, 1131306, 1491267, 1508408, 1988356, 2151336, 2262612, 2982534, 3976712, 4525224, 5467979, 5965068, 10935958, 11930136, 16403937, 21871916, 32807874, 43743832, 65615748, 131231496]

約数ペア:

[(1, 131231496), (2, 65615748), (3, 43743832), (4, 32807874), (6, 21871916), (8, 16403937), (11, 11930136), (12, 10935958), (22, 5965068), (24, 5467979), (29, 4525224), (33, 3976712), (44, 2982534), (58, 2262612), (61, 2151336), (66, 1988356), (87, 1508408), (88, 1491267), (116, 1131306), (122, 1075668), (132, 994178), (174, 754204), (183, 717112), (232, 565653), (244, 537834), (264, 497089), (281, 467016), (319, 411384), (348, 377102), (366, 358556), (488, 268917), (562, 233508), (638, 205692), (671, 195576), (696, 188551), (732, 179278), (843, 155672), (957, 137128), (1124, 116754), (1276, 102846), (1342, 97788), (1464, 89639), (1686, 77836), (1769, 74184), (1914, 68564), (2013, 65192), (2248, 58377), (2552, 51423), (2684, 48894), (3091, 42456), (3372, 38918), (3538, 37092), (3828, 34282), (4026, 32596), (5307, 24728), (5368, 24447), (6182, 21228), (6744, 19459), (7076, 18546), (7656, 17141), (8052, 16298), (8149, 16104), (9273, 14152), (10614, 12364)]