81728478

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1499}}^1$

素因数の和:1753

約数の個数: 48

約数和(自身を含む): 191646000

約数和(自身を除く): 109917522

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 233, 234, 466, 699, 1398, 1499, 2097, 2998, 3029, 4194, 4497, 6058, 8994, 9087, 13491, 18174, 19487, 26982, 27261, 38974, 54522, 58461, 116922, 175383, 349267, 350766, 698534, 1047801, 2095602, 3143403, 4540471, 6286806, 9080942, 13621413, 27242826, 40864239, 81728478]

約数ペア:

[(1, 81728478), (2, 40864239), (3, 27242826), (6, 13621413), (9, 9080942), (13, 6286806), (18, 4540471), (26, 3143403), (39, 2095602), (78, 1047801), (117, 698534), (233, 350766), (234, 349267), (466, 175383), (699, 116922), (1398, 58461), (1499, 54522), (2097, 38974), (2998, 27261), (3029, 26982), (4194, 19487), (4497, 18174), (6058, 13491), (8994, 9087)]