25457874

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 59076864

約数和(自身を除く): 33618990

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 73, 78, 102, 146, 219, 221, 263, 438, 442, 526, 663, 789, 949, 1241, 1326, 1578, 1898, 2482, 2847, 3419, 3723, 4471, 5694, 6838, 7446, 8942, 10257, 13413, 16133, 19199, 20514, 26826, 32266, 38398, 48399, 57597, 58123, 96798, 115194, 116246, 174369, 249587, 326383, 348738, 499174, 652766, 748761, 979149, 1497522, 1958298, 4242979, 8485958, 12728937, 25457874]

約数ペア:

[(1, 25457874), (2, 12728937), (3, 8485958), (6, 4242979), (13, 1958298), (17, 1497522), (26, 979149), (34, 748761), (39, 652766), (51, 499174), (73, 348738), (78, 326383), (102, 249587), (146, 174369), (219, 116246), (221, 115194), (263, 96798), (438, 58123), (442, 57597), (526, 48399), (663, 38398), (789, 32266), (949, 26826), (1241, 20514), (1326, 19199), (1578, 16133), (1898, 13413), (2482, 10257), (2847, 8942), (3419, 7446), (3723, 6838), (4471, 5694)]