87501778

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1193}}^1$

素因数の和:1259

約数の個数: 48

約数和(自身を含む): 167809536

約数和(自身を除く): 80307758

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 169, 182, 217, 338, 403, 434, 806, 1183, 1193, 2366, 2386, 2821, 5239, 5642, 8351, 10478, 15509, 16702, 31018, 36673, 36983, 73346, 73966, 108563, 201617, 217126, 258881, 403234, 480779, 517762, 961558, 1411319, 2822638, 3365453, 6250127, 6730906, 12500254, 43750889, 87501778]

約数ペア:

[(1, 87501778), (2, 43750889), (7, 12500254), (13, 6730906), (14, 6250127), (26, 3365453), (31, 2822638), (62, 1411319), (91, 961558), (169, 517762), (182, 480779), (217, 403234), (338, 258881), (403, 217126), (434, 201617), (806, 108563), (1183, 73966), (1193, 73346), (2366, 36983), (2386, 36673), (2821, 31018), (5239, 16702), (5642, 15509), (8351, 10478)]