64990872

素因数分解:

$2^3\times 3^2\times {\mathrm{401}}^1\times {\mathrm{2251}}^1$

素因数の和:2664

約数の個数: 48

約数和(自身を含む): 176534280

約数和(自身を除く): 111543408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 401, 802, 1203, 1604, 2251, 2406, 3208, 3609, 4502, 4812, 6753, 7218, 9004, 9624, 13506, 14436, 18008, 20259, 27012, 28872, 40518, 54024, 81036, 162072, 902651, 1805302, 2707953, 3610604, 5415906, 7221208, 8123859, 10831812, 16247718, 21663624, 32495436, 64990872]

約数ペア:

[(1, 64990872), (2, 32495436), (3, 21663624), (4, 16247718), (6, 10831812), (8, 8123859), (9, 7221208), (12, 5415906), (18, 3610604), (24, 2707953), (36, 1805302), (72, 902651), (401, 162072), (802, 81036), (1203, 54024), (1604, 40518), (2251, 28872), (2406, 27012), (3208, 20259), (3609, 18008), (4502, 14436), (4812, 13506), (6753, 9624), (7218, 9004)]