80721018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{6343}}^1$

素因数の和:6459

約数の個数: 48

約数和(自身を含む): 201891456

約数和(自身を除く): 121170438

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 101, 126, 202, 303, 606, 707, 909, 1414, 1818, 2121, 4242, 6343, 6363, 12686, 12726, 19029, 38058, 44401, 57087, 88802, 114174, 133203, 266406, 399609, 640643, 799218, 1281286, 1921929, 3843858, 4484501, 5765787, 8969002, 11531574, 13453503, 26907006, 40360509, 80721018]

約数ペア:

[(1, 80721018), (2, 40360509), (3, 26907006), (6, 13453503), (7, 11531574), (9, 8969002), (14, 5765787), (18, 4484501), (21, 3843858), (42, 1921929), (63, 1281286), (101, 799218), (126, 640643), (202, 399609), (303, 266406), (606, 133203), (707, 114174), (909, 88802), (1414, 57087), (1818, 44401), (2121, 38058), (4242, 19029), (6343, 12726), (6363, 12686)]