216431416

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{659}}^1\times {\mathrm{673}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 413701200

約数和(自身を除く): 197269784

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 659, 673, 1318, 1346, 2636, 2692, 5272, 5384, 40199, 41053, 80398, 82106, 160796, 164212, 321592, 328424, 443507, 887014, 1774028, 3548056, 27053927, 54107854, 108215708, 216431416]

約数ペア:

[(1, 216431416), (2, 108215708), (4, 54107854), (8, 27053927), (61, 3548056), (122, 1774028), (244, 887014), (488, 443507), (659, 328424), (673, 321592), (1318, 164212), (1346, 160796), (2636, 82106), (2692, 80398), (5272, 41053), (5384, 40199)]