66706672

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1667}}^1$

素因数の和:1777

約数の個数: 40

約数和(自身を含む): 134647632

約数和(自身を除く): 67940960

約数列:

[1, 2, 4, 8, 16, 41, 61, 82, 122, 164, 244, 328, 488, 656, 976, 1667, 2501, 3334, 5002, 6668, 10004, 13336, 20008, 26672, 40016, 68347, 101687, 136694, 203374, 273388, 406748, 546776, 813496, 1093552, 1626992, 4169167, 8338334, 16676668, 33353336, 66706672]

約数ペア:

[(1, 66706672), (2, 33353336), (4, 16676668), (8, 8338334), (16, 4169167), (41, 1626992), (61, 1093552), (82, 813496), (122, 546776), (164, 406748), (244, 273388), (328, 203374), (488, 136694), (656, 101687), (976, 68347), (1667, 40016), (2501, 26672), (3334, 20008), (5002, 13336), (6668, 10004)]