221958456

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{757}}^1$

素因数の和:1428

約数の個数: 64

約数和(自身を含む): 585782400

約数和(自身を除く): 363823944

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 643, 757, 1286, 1514, 1929, 2271, 2572, 3028, 3858, 4542, 5144, 6056, 7716, 9084, 12217, 14383, 15432, 18168, 24434, 28766, 36651, 43149, 48868, 57532, 73302, 86298, 97736, 115064, 146604, 172596, 293208, 345192, 486751, 973502, 1460253, 1947004, 2920506, 3894008, 5841012, 9248269, 11682024, 18496538, 27744807, 36993076, 55489614, 73986152, 110979228, 221958456]

約数ペア:

[(1, 221958456), (2, 110979228), (3, 73986152), (4, 55489614), (6, 36993076), (8, 27744807), (12, 18496538), (19, 11682024), (24, 9248269), (38, 5841012), (57, 3894008), (76, 2920506), (114, 1947004), (152, 1460253), (228, 973502), (456, 486751), (643, 345192), (757, 293208), (1286, 172596), (1514, 146604), (1929, 115064), (2271, 97736), (2572, 86298), (3028, 73302), (3858, 57532), (4542, 48868), (5144, 43149), (6056, 36651), (7716, 28766), (9084, 24434), (12217, 18168), (14383, 15432)]