78391964

素因数分解:

$2^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{3361}}^1$

素因数の和:3403

約数の個数: 48

約数和(自身を含む): 169444800

約数和(自身を除く): 91052836

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 343, 476, 686, 833, 1372, 1666, 3332, 3361, 5831, 6722, 11662, 13444, 23324, 23527, 47054, 57137, 94108, 114274, 164689, 228548, 329378, 399959, 658756, 799918, 1152823, 1599836, 2305646, 2799713, 4611292, 5599426, 11198852, 19597991, 39195982, 78391964]

約数ペア:

[(1, 78391964), (2, 39195982), (4, 19597991), (7, 11198852), (14, 5599426), (17, 4611292), (28, 2799713), (34, 2305646), (49, 1599836), (68, 1152823), (98, 799918), (119, 658756), (196, 399959), (238, 329378), (343, 228548), (476, 164689), (686, 114274), (833, 94108), (1372, 57137), (1666, 47054), (3332, 23527), (3361, 23324), (5831, 13444), (6722, 11662)]