15211326

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 34997760

約数和(自身を除く): 19786434

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 61, 69, 78, 122, 138, 139, 183, 278, 299, 366, 417, 598, 793, 834, 897, 1403, 1586, 1794, 1807, 2379, 2806, 3197, 3614, 4209, 4758, 5421, 6394, 8418, 8479, 9591, 10842, 16958, 18239, 19182, 25437, 36478, 41561, 50874, 54717, 83122, 109434, 110227, 124683, 195017, 220454, 249366, 330681, 390034, 585051, 661362, 1170102, 2535221, 5070442, 7605663, 15211326]

約数ペア:

[(1, 15211326), (2, 7605663), (3, 5070442), (6, 2535221), (13, 1170102), (23, 661362), (26, 585051), (39, 390034), (46, 330681), (61, 249366), (69, 220454), (78, 195017), (122, 124683), (138, 110227), (139, 109434), (183, 83122), (278, 54717), (299, 50874), (366, 41561), (417, 36478), (598, 25437), (793, 19182), (834, 18239), (897, 16958), (1403, 10842), (1586, 9591), (1794, 8479), (1807, 8418), (2379, 6394), (2806, 5421), (3197, 4758), (3614, 4209)]