31519516

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 65995776

約数和(自身を除く): 34476260

約数列:

[1, 2, 4, 7, 14, 28, 43, 47, 86, 94, 172, 188, 301, 329, 557, 602, 658, 1114, 1204, 1316, 2021, 2228, 3899, 4042, 7798, 8084, 14147, 15596, 23951, 26179, 28294, 47902, 52358, 56588, 95804, 104716, 167657, 183253, 335314, 366506, 670628, 733012, 1125697, 2251394, 4502788, 7879879, 15759758, 31519516]

約数ペア:

[(1, 31519516), (2, 15759758), (4, 7879879), (7, 4502788), (14, 2251394), (28, 1125697), (43, 733012), (47, 670628), (86, 366506), (94, 335314), (172, 183253), (188, 167657), (301, 104716), (329, 95804), (557, 56588), (602, 52358), (658, 47902), (1114, 28294), (1204, 26179), (1316, 23951), (2021, 15596), (2228, 14147), (3899, 8084), (4042, 7798)]