77819898

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 173053440

約数和(自身を除く): 95233542

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 79, 146, 158, 173, 219, 237, 346, 438, 474, 519, 949, 1027, 1038, 1898, 2054, 2249, 2847, 3081, 4498, 5694, 5767, 6162, 6747, 11534, 12629, 13494, 13667, 17301, 25258, 27334, 34602, 37887, 41001, 74971, 75774, 82002, 149942, 164177, 177671, 224913, 328354, 355342, 449826, 492531, 533013, 985062, 997691, 1066026, 1995382, 2993073, 5986146, 12969983, 25939966, 38909949, 77819898]

約数ペア:

[(1, 77819898), (2, 38909949), (3, 25939966), (6, 12969983), (13, 5986146), (26, 2993073), (39, 1995382), (73, 1066026), (78, 997691), (79, 985062), (146, 533013), (158, 492531), (173, 449826), (219, 355342), (237, 328354), (346, 224913), (438, 177671), (474, 164177), (519, 149942), (949, 82002), (1027, 75774), (1038, 74971), (1898, 41001), (2054, 37887), (2249, 34602), (2847, 27334), (3081, 25258), (4498, 17301), (5694, 13667), (5767, 13494), (6162, 12629), (6747, 11534)]