78421204

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 151683840

約数和(自身を除く): 73262636

約数列:

[1, 2, 4, 17, 34, 37, 68, 71, 74, 142, 148, 284, 439, 629, 878, 1207, 1258, 1756, 2414, 2516, 2627, 4828, 5254, 7463, 10508, 14926, 16243, 29852, 31169, 32486, 44659, 62338, 64972, 89318, 124676, 178636, 276131, 529873, 552262, 1059746, 1104524, 1153253, 2119492, 2306506, 4613012, 19605301, 39210602, 78421204]

約数ペア:

[(1, 78421204), (2, 39210602), (4, 19605301), (17, 4613012), (34, 2306506), (37, 2119492), (68, 1153253), (71, 1104524), (74, 1059746), (142, 552262), (148, 529873), (284, 276131), (439, 178636), (629, 124676), (878, 89318), (1207, 64972), (1258, 62338), (1756, 44659), (2414, 32486), (2516, 31169), (2627, 29852), (4828, 16243), (5254, 14926), (7463, 10508)]