71987356

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 148055040

約数和(自身を除く): 76067684

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 179, 212, 271, 358, 371, 542, 716, 742, 1084, 1253, 1484, 1897, 2506, 3794, 5012, 7588, 9487, 14363, 18974, 28726, 37948, 48509, 57452, 66409, 97018, 100541, 132818, 194036, 201082, 265636, 339563, 402164, 679126, 1358252, 2570977, 5141954, 10283908, 17996839, 35993678, 71987356]

約数ペア:

[(1, 71987356), (2, 35993678), (4, 17996839), (7, 10283908), (14, 5141954), (28, 2570977), (53, 1358252), (106, 679126), (179, 402164), (212, 339563), (271, 265636), (358, 201082), (371, 194036), (542, 132818), (716, 100541), (742, 97018), (1084, 66409), (1253, 57452), (1484, 48509), (1897, 37948), (2506, 28726), (3794, 18974), (5012, 14363), (7588, 9487)]