66138905

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{367}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 96092160

約数和(自身を除く): 29953255

約数列:

[1, 5, 7, 19, 35, 95, 133, 271, 367, 665, 1355, 1835, 1897, 2569, 5149, 6973, 9485, 12845, 25745, 34865, 36043, 48811, 99457, 180215, 244055, 497285, 696199, 1889683, 3480995, 9448415, 13227781, 66138905]

約数ペア:

[(1, 66138905), (5, 13227781), (7, 9448415), (19, 3480995), (35, 1889683), (95, 696199), (133, 497285), (271, 244055), (367, 180215), (665, 99457), (1355, 48811), (1835, 36043), (1897, 34865), (2569, 25745), (5149, 12845), (6973, 9485)]