1991804334

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1\times {\mathrm{373}}^1$

素因数の和:921

約数の個数: 64

約数和(自身を含む): 4334905344

約数和(自身を除く): 2343101010

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 223, 307, 373, 446, 614, 669, 746, 921, 1119, 1338, 1842, 2238, 2899, 3991, 4849, 5798, 7982, 8697, 9698, 11973, 14547, 17394, 23946, 29094, 68461, 83179, 114511, 136922, 166358, 205383, 229022, 249537, 343533, 410766, 499074, 687066, 889993, 1081327, 1488643, 1779986, 2162654, 2669979, 2977286, 3243981, 4465929, 5339958, 6487962, 8931858, 25535953, 51071906, 76607859, 153215718, 331967389, 663934778, 995902167, 1991804334]

約数ペア:

[(1, 1991804334), (2, 995902167), (3, 663934778), (6, 331967389), (13, 153215718), (26, 76607859), (39, 51071906), (78, 25535953), (223, 8931858), (307, 6487962), (373, 5339958), (446, 4465929), (614, 3243981), (669, 2977286), (746, 2669979), (921, 2162654), (1119, 1779986), (1338, 1488643), (1842, 1081327), (2238, 889993), (2899, 687066), (3991, 499074), (4849, 410766), (5798, 343533), (7982, 249537), (8697, 229022), (9698, 205383), (11973, 166358), (14547, 136922), (17394, 114511), (23946, 83179), (29094, 68461)]