78774968

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 80892232

約数列:

[1, 2, 4, 8, 31, 43, 62, 83, 86, 89, 124, 166, 172, 178, 248, 332, 344, 356, 664, 712, 1333, 2573, 2666, 2759, 3569, 3827, 5146, 5332, 5518, 7138, 7387, 7654, 10292, 10664, 11036, 14276, 14774, 15308, 20584, 22072, 28552, 29548, 30616, 59096, 110639, 118637, 221278, 228997, 237274, 317641, 442556, 457994, 474548, 635282, 885112, 915988, 949096, 1270564, 1831976, 2541128, 9846871, 19693742, 39387484, 78774968]

約数ペア:

[(1, 78774968), (2, 39387484), (4, 19693742), (8, 9846871), (31, 2541128), (43, 1831976), (62, 1270564), (83, 949096), (86, 915988), (89, 885112), (124, 635282), (166, 474548), (172, 457994), (178, 442556), (248, 317641), (332, 237274), (344, 228997), (356, 221278), (664, 118637), (712, 110639), (1333, 59096), (2573, 30616), (2666, 29548), (2759, 28552), (3569, 22072), (3827, 20584), (5146, 15308), (5332, 14774), (5518, 14276), (7138, 11036), (7387, 10664), (7654, 10292)]