25088388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 64562400

約数和(自身を除く): 39474012

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 89, 139, 156, 169, 178, 267, 278, 338, 356, 417, 507, 534, 556, 676, 834, 1014, 1068, 1157, 1668, 1807, 2028, 2314, 3471, 3614, 4628, 5421, 6942, 7228, 10842, 12371, 13884, 15041, 21684, 23491, 24742, 30082, 37113, 45123, 46982, 49484, 60164, 70473, 74226, 90246, 93964, 140946, 148452, 160823, 180492, 281892, 321646, 482469, 643292, 964938, 1929876, 2090699, 4181398, 6272097, 8362796, 12544194, 25088388]

約数ペア:

[(1, 25088388), (2, 12544194), (3, 8362796), (4, 6272097), (6, 4181398), (12, 2090699), (13, 1929876), (26, 964938), (39, 643292), (52, 482469), (78, 321646), (89, 281892), (139, 180492), (156, 160823), (169, 148452), (178, 140946), (267, 93964), (278, 90246), (338, 74226), (356, 70473), (417, 60164), (507, 49484), (534, 46982), (556, 45123), (676, 37113), (834, 30082), (1014, 24742), (1068, 23491), (1157, 21684), (1668, 15041), (1807, 13884), (2028, 12371), (2314, 10842), (3471, 7228), (3614, 6942), (4628, 5421)]