78401358

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1471}}^1$

素因数の和:1539

約数の個数: 80

約数和(自身を含む): 205185024

約数和(自身を除く): 126783666

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 54, 63, 81, 94, 126, 141, 162, 189, 282, 329, 378, 423, 567, 658, 846, 987, 1134, 1269, 1471, 1974, 2538, 2942, 2961, 3807, 4413, 5922, 7614, 8826, 8883, 10297, 13239, 17766, 20594, 26478, 26649, 30891, 39717, 53298, 61782, 69137, 79434, 92673, 119151, 138274, 185346, 207411, 238302, 278019, 414822, 483959, 556038, 622233, 834057, 967918, 1244466, 1451877, 1668114, 1866699, 2903754, 3733398, 4355631, 5600097, 8711262, 11200194, 13066893, 26133786, 39200679, 78401358]

約数ペア:

[(1, 78401358), (2, 39200679), (3, 26133786), (6, 13066893), (7, 11200194), (9, 8711262), (14, 5600097), (18, 4355631), (21, 3733398), (27, 2903754), (42, 1866699), (47, 1668114), (54, 1451877), (63, 1244466), (81, 967918), (94, 834057), (126, 622233), (141, 556038), (162, 483959), (189, 414822), (282, 278019), (329, 238302), (378, 207411), (423, 185346), (567, 138274), (658, 119151), (846, 92673), (987, 79434), (1134, 69137), (1269, 61782), (1471, 53298), (1974, 39717), (2538, 30891), (2942, 26649), (2961, 26478), (3807, 20594), (4413, 17766), (5922, 13239), (7614, 10297), (8826, 8883)]