991328442

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{19463}}^1$

素因数の和:20134

約数の個数: 32

約数和(自身を含む): 2138548608

約数和(自身を除く): 1147220166

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 653, 1306, 1959, 3918, 8489, 16978, 19463, 25467, 38926, 50934, 58389, 116778, 253019, 506038, 759057, 1518114, 12709339, 25418678, 38128017, 76256034, 165221407, 330442814, 495664221, 991328442]

約数ペア:

[(1, 991328442), (2, 495664221), (3, 330442814), (6, 165221407), (13, 76256034), (26, 38128017), (39, 25418678), (78, 12709339), (653, 1518114), (1306, 759057), (1959, 506038), (3918, 253019), (8489, 116778), (16978, 58389), (19463, 50934), (25467, 38926)]