8140051928

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1\times {\mathrm{1171}}^1$

素因数の和:1920

約数の個数: 64

約数和(自身を含む): 16404249600

約数和(自身を除く): 8264197672

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 158, 316, 632, 647, 1171, 1294, 1343, 2342, 2588, 2686, 4684, 5176, 5372, 9368, 10744, 10999, 19907, 21998, 39814, 43996, 51113, 79628, 87992, 92509, 102226, 159256, 185018, 204452, 370036, 408904, 740072, 757637, 868921, 1515274, 1572653, 1737842, 3030548, 3145306, 3475684, 6061096, 6290612, 6951368, 12581224, 12879829, 25759658, 51519316, 59853323, 103038632, 119706646, 239413292, 478826584, 1017506491, 2035012982, 4070025964, 8140051928]

約数ペア:

[(1, 8140051928), (2, 4070025964), (4, 2035012982), (8, 1017506491), (17, 478826584), (34, 239413292), (68, 119706646), (79, 103038632), (136, 59853323), (158, 51519316), (316, 25759658), (632, 12879829), (647, 12581224), (1171, 6951368), (1294, 6290612), (1343, 6061096), (2342, 3475684), (2588, 3145306), (2686, 3030548), (4684, 1737842), (5176, 1572653), (5372, 1515274), (9368, 868921), (10744, 757637), (10999, 740072), (19907, 408904), (21998, 370036), (39814, 204452), (43996, 185018), (51113, 159256), (79628, 102226), (87992, 92509)]