161571928

素因数分解:

$2^3\times 7^1\times {\mathrm{389}}^1\times {\mathrm{7417}}^1$

素因数の和:7819

約数の個数: 32

約数和(自身を含む): 347162400

約数和(自身を除く): 185590472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 389, 778, 1556, 2723, 3112, 5446, 7417, 10892, 14834, 21784, 29668, 51919, 59336, 103838, 207676, 415352, 2885213, 5770426, 11540852, 20196491, 23081704, 40392982, 80785964, 161571928]

約数ペア:

[(1, 161571928), (2, 80785964), (4, 40392982), (7, 23081704), (8, 20196491), (14, 11540852), (28, 5770426), (56, 2885213), (389, 415352), (778, 207676), (1556, 103838), (2723, 59336), (3112, 51919), (5446, 29668), (7417, 21784), (10892, 14834)]