78767390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{2141}}^1$

素因数の和:2444

約数の個数: 32

約数和(自身を含む): 153298656

約数和(自身を除く): 74531266

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 283, 566, 1415, 2141, 2830, 3679, 4282, 7358, 10705, 18395, 21410, 27833, 36790, 55666, 139165, 278330, 605903, 1211806, 3029515, 6059030, 7876739, 15753478, 39383695, 78767390]

約数ペア:

[(1, 78767390), (2, 39383695), (5, 15753478), (10, 7876739), (13, 6059030), (26, 3029515), (65, 1211806), (130, 605903), (283, 278330), (566, 139165), (1415, 55666), (2141, 36790), (2830, 27833), (3679, 21410), (4282, 18395), (7358, 10705)]