251980812

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2689}}^1$

素因数の和:2855

約数の個数: 72

約数和(自身を含む): 675620400

約数和(自身を除く): 423639588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 137, 171, 228, 274, 342, 411, 548, 684, 822, 1233, 1644, 2466, 2603, 2689, 4932, 5206, 5378, 7809, 8067, 10412, 10756, 15618, 16134, 23427, 24201, 31236, 32268, 46854, 48402, 51091, 93708, 96804, 102182, 153273, 204364, 306546, 368393, 459819, 613092, 736786, 919638, 1105179, 1473572, 1839276, 2210358, 3315537, 4420716, 6631074, 6999467, 13262148, 13998934, 20998401, 27997868, 41996802, 62995203, 83993604, 125990406, 251980812]

約数ペア:

[(1, 251980812), (2, 125990406), (3, 83993604), (4, 62995203), (6, 41996802), (9, 27997868), (12, 20998401), (18, 13998934), (19, 13262148), (36, 6999467), (38, 6631074), (57, 4420716), (76, 3315537), (114, 2210358), (137, 1839276), (171, 1473572), (228, 1105179), (274, 919638), (342, 736786), (411, 613092), (548, 459819), (684, 368393), (822, 306546), (1233, 204364), (1644, 153273), (2466, 102182), (2603, 96804), (2689, 93708), (4932, 51091), (5206, 48402), (5378, 46854), (7809, 32268), (8067, 31236), (10412, 24201), (10756, 23427), (15618, 16134)]