About the Number

12691728

12691727 ← → 12691729

2進数表記:110000011010100100010000

漢数字表記:千二百六十九万千七百二十八

素因数分解:

2 4 × 3 4 × 7 1 × 1399 1

素因数の和:1426
約数の個数: 100
約数和(自身を含む): 42011200
約数和(自身を除く): 29319472

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 81, 84, 108, 112, 126, 144, 162, 168, 189, 216, 252, 324, 336, 378, 432, 504, 567, 648, 756, 1008, 1134, 1296, 1399, 1512, 2268, 2798, 3024, 4197, 4536, 5596, 8394, 9072, 9793, 11192, 12591, 16788, 19586, 22384, 25182, 29379, 33576, 37773, 39172, 50364, 58758, 67152, 75546, 78344, 88137, 100728, 113319, 117516, 151092, 156688, 176274, 201456, 226638, 235032, 264411, 302184, 352548, 453276, 470064, 528822, 604368, 705096, 793233, 906552, 1057644, 1410192, 1586466, 1813104, 2115288, 3172932, 4230576, 6345864, 12691728]

約数ペア:
[(1, 12691728), (2, 6345864), (3, 4230576), (4, 3172932), (6, 2115288), (7, 1813104), (8, 1586466), (9, 1410192), (12, 1057644), (14, 906552), (16, 793233), (18, 705096), (21, 604368), (24, 528822), (27, 470064), (28, 453276), (36, 352548), (42, 302184), (48, 264411), (54, 235032), (56, 226638), (63, 201456), (72, 176274), (81, 156688), (84, 151092), (108, 117516), (112, 113319), (126, 100728), (144, 88137), (162, 78344), (168, 75546), (189, 67152), (216, 58758), (252, 50364), (324, 39172), (336, 37773), (378, 33576), (432, 29379), (504, 25182), (567, 22384), (648, 19586), (756, 16788), (1008, 12591), (1134, 11192), (1296, 9793), (1399, 9072), (1512, 8394), (2268, 5596), (2798, 4536), (3024, 4197)]

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