28382984

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 63296640

約数和(自身を除く): 34913656

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 73, 106, 131, 146, 212, 262, 292, 371, 424, 511, 524, 584, 742, 917, 1022, 1048, 1484, 1834, 2044, 2968, 3668, 3869, 4088, 6943, 7336, 7738, 9563, 13886, 15476, 19126, 27083, 27772, 30952, 38252, 48601, 54166, 55544, 66941, 76504, 97202, 108332, 133882, 194404, 216664, 267764, 388808, 506839, 535528, 1013678, 2027356, 3547873, 4054712, 7095746, 14191492, 28382984]

約数ペア:

[(1, 28382984), (2, 14191492), (4, 7095746), (7, 4054712), (8, 3547873), (14, 2027356), (28, 1013678), (53, 535528), (56, 506839), (73, 388808), (106, 267764), (131, 216664), (146, 194404), (212, 133882), (262, 108332), (292, 97202), (371, 76504), (424, 66941), (511, 55544), (524, 54166), (584, 48601), (742, 38252), (917, 30952), (1022, 27772), (1048, 27083), (1484, 19126), (1834, 15476), (2044, 13886), (2968, 9563), (3668, 7738), (3869, 7336), (4088, 6943)]