78980346

素因数分解:

$2^1\times 3^5\times {\mathrm{163}}^1\times {\mathrm{997}}^1$

素因数の和:1177

約数の個数: 48

約数和(自身を含む): 178729824

約数和(自身を除く): 99749478

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 163, 243, 326, 486, 489, 978, 997, 1467, 1994, 2934, 2991, 4401, 5982, 8802, 8973, 13203, 17946, 26406, 26919, 39609, 53838, 79218, 80757, 161514, 162511, 242271, 325022, 484542, 487533, 975066, 1462599, 2925198, 4387797, 8775594, 13163391, 26326782, 39490173, 78980346]

約数ペア:

[(1, 78980346), (2, 39490173), (3, 26326782), (6, 13163391), (9, 8775594), (18, 4387797), (27, 2925198), (54, 1462599), (81, 975066), (162, 487533), (163, 484542), (243, 325022), (326, 242271), (486, 162511), (489, 161514), (978, 80757), (997, 79218), (1467, 53838), (1994, 39609), (2934, 26919), (2991, 26406), (4401, 17946), (5982, 13203), (8802, 8973)]