389626185

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 689826816

約数和(自身を除く): 300200631

約数列:

[1, 3, 5, 13, 15, 39, 65, 73, 101, 195, 219, 271, 303, 365, 505, 813, 949, 1095, 1313, 1355, 1515, 2847, 3523, 3939, 4065, 4745, 6565, 7373, 10569, 14235, 17615, 19695, 19783, 22119, 27371, 36865, 52845, 59349, 82113, 95849, 98915, 110595, 136855, 257179, 287547, 296745, 355823, 410565, 479245, 771537, 1067469, 1285895, 1437735, 1779115, 1998083, 3857685, 5337345, 5994249, 9990415, 25975079, 29971245, 77925237, 129875395, 389626185]

約数ペア:

[(1, 389626185), (3, 129875395), (5, 77925237), (13, 29971245), (15, 25975079), (39, 9990415), (65, 5994249), (73, 5337345), (101, 3857685), (195, 1998083), (219, 1779115), (271, 1437735), (303, 1285895), (365, 1067469), (505, 771537), (813, 479245), (949, 410565), (1095, 355823), (1313, 296745), (1355, 287547), (1515, 257179), (2847, 136855), (3523, 110595), (3939, 98915), (4065, 95849), (4745, 82113), (6565, 59349), (7373, 52845), (10569, 36865), (14235, 27371), (17615, 22119), (19695, 19783)]