66440418

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 152216064

約数和(自身を除く): 85775646

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 43, 66, 82, 86, 123, 129, 246, 258, 451, 473, 571, 902, 946, 1142, 1353, 1419, 1713, 1763, 2706, 2838, 3426, 3526, 5289, 6281, 10578, 12562, 18843, 19393, 23411, 24553, 37686, 38786, 46822, 49106, 58179, 70233, 73659, 116358, 140466, 147318, 257521, 270083, 515042, 540166, 772563, 810249, 1006673, 1545126, 1620498, 2013346, 3020019, 6040038, 11073403, 22146806, 33220209, 66440418]

約数ペア:

[(1, 66440418), (2, 33220209), (3, 22146806), (6, 11073403), (11, 6040038), (22, 3020019), (33, 2013346), (41, 1620498), (43, 1545126), (66, 1006673), (82, 810249), (86, 772563), (123, 540166), (129, 515042), (246, 270083), (258, 257521), (451, 147318), (473, 140466), (571, 116358), (902, 73659), (946, 70233), (1142, 58179), (1353, 49106), (1419, 46822), (1713, 38786), (1763, 37686), (2706, 24553), (2838, 23411), (3426, 19393), (3526, 18843), (5289, 12562), (6281, 10578)]