78991108

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{709}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 166037760

約数和(自身を除く): 87046652

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 173, 322, 346, 644, 692, 709, 1211, 1418, 2422, 2836, 3979, 4844, 4963, 7958, 9926, 15916, 16307, 19852, 27853, 32614, 55706, 65228, 111412, 114149, 122657, 228298, 245314, 456596, 490628, 858599, 1717198, 2821111, 3434396, 5642222, 11284444, 19747777, 39495554, 78991108]

約数ペア:

[(1, 78991108), (2, 39495554), (4, 19747777), (7, 11284444), (14, 5642222), (23, 3434396), (28, 2821111), (46, 1717198), (92, 858599), (161, 490628), (173, 456596), (322, 245314), (346, 228298), (644, 122657), (692, 114149), (709, 111412), (1211, 65228), (1418, 55706), (2422, 32614), (2836, 27853), (3979, 19852), (4844, 16307), (4963, 15916), (7958, 9926)]