128987976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:415

約数の個数: 128

約数和(自身を含む): 373403520

約数和(自身を除く): 244415544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 83, 102, 104, 136, 156, 166, 204, 221, 249, 293, 312, 332, 408, 442, 498, 586, 663, 664, 879, 884, 996, 1079, 1172, 1326, 1411, 1758, 1768, 1992, 2158, 2344, 2652, 2822, 3237, 3516, 3809, 4233, 4316, 4981, 5304, 5644, 6474, 7032, 7618, 8466, 8632, 9962, 11288, 11427, 12948, 14943, 15236, 16932, 18343, 19924, 22854, 24319, 25896, 29886, 30472, 33864, 36686, 39848, 45708, 48638, 55029, 59772, 64753, 72957, 73372, 91416, 97276, 110058, 119544, 129506, 145914, 146744, 194259, 194552, 220116, 259012, 291828, 316147, 388518, 413423, 440232, 518024, 583656, 632294, 777036, 826846, 948441, 1240269, 1264588, 1554072, 1653692, 1896882, 2480538, 2529176, 3307384, 3793764, 4961076, 5374499, 7587528, 9922152, 10748998, 16123497, 21497996, 32246994, 42995992, 64493988, 128987976]

約数ペア:

[(1, 128987976), (2, 64493988), (3, 42995992), (4, 32246994), (6, 21497996), (8, 16123497), (12, 10748998), (13, 9922152), (17, 7587528), (24, 5374499), (26, 4961076), (34, 3793764), (39, 3307384), (51, 2529176), (52, 2480538), (68, 1896882), (78, 1653692), (83, 1554072), (102, 1264588), (104, 1240269), (136, 948441), (156, 826846), (166, 777036), (204, 632294), (221, 583656), (249, 518024), (293, 440232), (312, 413423), (332, 388518), (408, 316147), (442, 291828), (498, 259012), (586, 220116), (663, 194552), (664, 194259), (879, 146744), (884, 145914), (996, 129506), (1079, 119544), (1172, 110058), (1326, 97276), (1411, 91416), (1758, 73372), (1768, 72957), (1992, 64753), (2158, 59772), (2344, 55029), (2652, 48638), (2822, 45708), (3237, 39848), (3516, 36686), (3809, 33864), (4233, 30472), (4316, 29886), (4981, 25896), (5304, 24319), (5644, 22854), (6474, 19924), (7032, 18343), (7618, 16932), (8466, 15236), (8632, 14943), (9962, 12948), (11288, 11427)]