259496796

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{643}}^1$

素因数の和:875

約数の個数: 72

約数和(自身を含む): 659971200

約数和(自身を除く): 400474404

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 199, 338, 398, 507, 597, 643, 676, 796, 1014, 1194, 1286, 1929, 2028, 2388, 2572, 2587, 3858, 5174, 7716, 7761, 8359, 10348, 15522, 16718, 25077, 31044, 33436, 33631, 50154, 67262, 100308, 100893, 108667, 127957, 134524, 201786, 217334, 255914, 326001, 383871, 403572, 434668, 511828, 652002, 767742, 1304004, 1535484, 1663441, 3326882, 4990323, 6653764, 9980646, 19961292, 21624733, 43249466, 64874199, 86498932, 129748398, 259496796]

約数ペア:

[(1, 259496796), (2, 129748398), (3, 86498932), (4, 64874199), (6, 43249466), (12, 21624733), (13, 19961292), (26, 9980646), (39, 6653764), (52, 4990323), (78, 3326882), (156, 1663441), (169, 1535484), (199, 1304004), (338, 767742), (398, 652002), (507, 511828), (597, 434668), (643, 403572), (676, 383871), (796, 326001), (1014, 255914), (1194, 217334), (1286, 201786), (1929, 134524), (2028, 127957), (2388, 108667), (2572, 100893), (2587, 100308), (3858, 67262), (5174, 50154), (7716, 33631), (7761, 33436), (8359, 31044), (10348, 25077), (15522, 16718)]