388978884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1181}}^1\times {\mathrm{1307}}^1$

素因数の和:2505

約数の個数: 72

約数和(自身を含む): 1125528768

約数和(自身を除く): 736549884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1181, 1307, 2362, 2614, 3543, 3921, 4724, 5228, 7086, 7842, 8267, 9149, 10629, 11763, 14172, 15684, 16534, 18298, 21258, 23526, 24801, 27447, 33068, 36596, 42516, 47052, 49602, 54894, 74403, 82341, 99204, 109788, 148806, 164682, 297612, 329364, 1543567, 3087134, 4630701, 6174268, 9261402, 10804969, 13892103, 18522804, 21609938, 27784206, 32414907, 43219876, 55568412, 64829814, 97244721, 129659628, 194489442, 388978884]

約数ペア:

[(1, 388978884), (2, 194489442), (3, 129659628), (4, 97244721), (6, 64829814), (7, 55568412), (9, 43219876), (12, 32414907), (14, 27784206), (18, 21609938), (21, 18522804), (28, 13892103), (36, 10804969), (42, 9261402), (63, 6174268), (84, 4630701), (126, 3087134), (252, 1543567), (1181, 329364), (1307, 297612), (2362, 164682), (2614, 148806), (3543, 109788), (3921, 99204), (4724, 82341), (5228, 74403), (7086, 54894), (7842, 49602), (8267, 47052), (9149, 42516), (10629, 36596), (11763, 33068), (14172, 27447), (15684, 24801), (16534, 23526), (18298, 21258)]