28257408

素因数分解:

$2^7\times 3^2\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1330

約数の個数: 96

約数和(自身を含む): 85659600

約数和(自身を除く): 57402192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 288, 304, 342, 384, 456, 576, 608, 684, 912, 1152, 1216, 1291, 1368, 1824, 2432, 2582, 2736, 3648, 3873, 5164, 5472, 7296, 7746, 10328, 10944, 11619, 15492, 20656, 21888, 23238, 24529, 30984, 41312, 46476, 49058, 61968, 73587, 82624, 92952, 98116, 123936, 147174, 165248, 185904, 196232, 220761, 247872, 294348, 371808, 392464, 441522, 495744, 588696, 743616, 784928, 883044, 1177392, 1487232, 1569856, 1766088, 2354784, 3139712, 3532176, 4709568, 7064352, 9419136, 14128704, 28257408]

約数ペア:

[(1, 28257408), (2, 14128704), (3, 9419136), (4, 7064352), (6, 4709568), (8, 3532176), (9, 3139712), (12, 2354784), (16, 1766088), (18, 1569856), (19, 1487232), (24, 1177392), (32, 883044), (36, 784928), (38, 743616), (48, 588696), (57, 495744), (64, 441522), (72, 392464), (76, 371808), (96, 294348), (114, 247872), (128, 220761), (144, 196232), (152, 185904), (171, 165248), (192, 147174), (228, 123936), (288, 98116), (304, 92952), (342, 82624), (384, 73587), (456, 61968), (576, 49058), (608, 46476), (684, 41312), (912, 30984), (1152, 24529), (1216, 23238), (1291, 21888), (1368, 20656), (1824, 15492), (2432, 11619), (2582, 10944), (2736, 10328), (3648, 7746), (3873, 7296), (5164, 5472)]