2165641648

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{977}}^1$

素因数の和:1166

約数の個数: 80

約数和(自身を含む): 4482213120

約数和(自身を除く): 2316571472

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 109, 124, 164, 218, 248, 328, 436, 496, 656, 872, 977, 1271, 1744, 1954, 2542, 3379, 3908, 4469, 5084, 6758, 7816, 8938, 10168, 13516, 15632, 17876, 20336, 27032, 30287, 35752, 40057, 54064, 60574, 71504, 80114, 106493, 121148, 138539, 160228, 212986, 242296, 277078, 320456, 425972, 484592, 554156, 640912, 851944, 1108312, 1241767, 1703888, 2216624, 2483534, 3301283, 4366213, 4967068, 6602566, 8732426, 9934136, 13205132, 17464852, 19868272, 26410264, 34929704, 52820528, 69859408, 135352603, 270705206, 541410412, 1082820824, 2165641648]

約数ペア:

[(1, 2165641648), (2, 1082820824), (4, 541410412), (8, 270705206), (16, 135352603), (31, 69859408), (41, 52820528), (62, 34929704), (82, 26410264), (109, 19868272), (124, 17464852), (164, 13205132), (218, 9934136), (248, 8732426), (328, 6602566), (436, 4967068), (496, 4366213), (656, 3301283), (872, 2483534), (977, 2216624), (1271, 1703888), (1744, 1241767), (1954, 1108312), (2542, 851944), (3379, 640912), (3908, 554156), (4469, 484592), (5084, 425972), (6758, 320456), (7816, 277078), (8938, 242296), (10168, 212986), (13516, 160228), (15632, 138539), (17876, 121148), (20336, 106493), (27032, 80114), (30287, 71504), (35752, 60574), (40057, 54064)]